RTTypeWrapper.cs source code in C# .NET

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Code:

/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Common / AuthoringOM / Compiler / TypeSystem / RTTypeWrapper.cs / 1305376 / RTTypeWrapper.cs

                            #pragma warning disable 1634, 1691 
namespace System.Workflow.ComponentModel.Compiler
{
 	using System;
	using System.Collections; 
	using System.Collections.Generic;
	using System.ComponentModel; 
 	using System.Globalization; 
	using System.Reflection;
 	using System.CodeDom; 
    using System.Text;

 	internal sealed class RTTypeWrapper: Type, ICloneable
    { 
        #region BoundedTypeArray Comparer
 
        private class TypeArrayComparer : IEqualityComparer 
        {
            #region IEqualityComparer Members 

            bool IEqualityComparer.Equals(object x, object y)
            {
                Array xArray = x as Array; 
                Array yArray = y as Array;
                if(xArray == null || yArray == null || xArray.Rank != 1 || yArray.Rank != 1) 
                    return false; 

                bool mismatch = false; 
                if (xArray.Length == yArray.Length)
                {
                    for (int index = 0; !mismatch && index < xArray.Length; index++)
                        mismatch = (xArray.GetValue(index) != yArray.GetValue(index)); 
                }
                else 
                { 
                    mismatch = true;
                } 
                return !mismatch;
            }

			int IEqualityComparer.GetHashCode(object obj) 
            {
                return 0; 
            } 
            #endregion
        } 

        #endregion

 		#region Members and Constructors 
		private Type            runtimeType     = null;
		private Type[]          typeArgs        = null; 
        private ITypeProvider   typeProvider    = null; 
        private Hashtable       memberMapping   = new Hashtable();
        private Hashtable       boundedTypes    = new Hashtable(new TypeArrayComparer()); 

        internal RTTypeWrapper(ITypeProvider typeProvider, Type runtimeType)
		{
 			if (runtimeType == null) 
				throw new ArgumentNullException("runtimeType");
 
 			//we dont expect DesignTimeType to be passed to this class for wrapping purposes 
 			if (runtimeType.Assembly == null)
				throw new ArgumentException(SR.GetString(SR.Error_InvalidRuntimeType), "runtimeType"); 

            this.typeProvider = typeProvider;
            this.runtimeType = runtimeType;
 		} 

		internal ITypeProvider Provider 
		{ 
			get
 			{ 
				return this.typeProvider;
 			}
 		}
 
		private RTTypeWrapper(ITypeProvider typeProvider, Type runtimeType, Type[] typeArgs)
        { 
 			if (runtimeType == null) 
				throw new ArgumentNullException("runtimeType");
 
			//we dont expect DesignTimeType to be passed to this class for wrapping purposes
			if (runtimeType.Assembly == null)
 				throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "runtimeType");
 
            this.typeProvider = typeProvider;
            this.runtimeType = runtimeType; 
 
			if (!IsGenericTypeDefinition)
 				throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "runtimeType"); 

 			this.typeArgs = new Type[typeArgs.Length];
			for (int i = 0; i < typeArgs.Length; i++)
 			{ 
				this.typeArgs[i] = typeArgs[i];
				if (this.typeArgs[i] == null) 
                    throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "typeArgs"); 
			}
 		} 
		
 		#endregion

 		#region Properties 

        public override int MetadataToken 
        { 
            get { return this.runtimeType.MetadataToken; }
        } 

        public override Assembly Assembly
		{
 			get 
			{
				if (this.typeArgs != null) 
				{ 
 					foreach (Type type in this.typeArgs)
						if (type.Assembly == null) 
 							return null;
 				}
				
 				return this.runtimeType.Assembly; 
			}
		} 
		public override string AssemblyQualifiedName 
 		{
			get 
 			{
                return this.FullName + ", " + this.runtimeType.Assembly.FullName;
 			}
		} 
 		public override Type BaseType
		{ 
			get 
			{
                return ResolveTypeFromTypeSystem(this.runtimeType.BaseType); 
            }
 		}
		public override Type DeclaringType
 		{ 
 			get
			{ 
                if (this.runtimeType.DeclaringType == null) 
                    return null;
                return this.typeProvider.GetType(this.runtimeType.DeclaringType.AssemblyQualifiedName); 
            }
 		}

		public override string FullName 
		{
			get 
 			{ 
                StringBuilder fullName = new StringBuilder(this.runtimeType.FullName);
                if (this.typeArgs != null && this.typeArgs.Length > 0) 
                {
                    fullName.Append("[");
                    for (int index = 0; index < this.typeArgs.Length; index++)
                    { 
                        fullName.Append("[");
                        fullName.Append(this.typeArgs[index].AssemblyQualifiedName); 
                        fullName.Append("]"); 
                        if(index < (this.typeArgs.Length - 1))
                            fullName.Append(","); 
                    }
                    fullName.Append("]");
                }
                return fullName.ToString(); 
            }
		} 
 		public override Guid GUID 
 		{
			get 
 			{
				return this.runtimeType.GUID;
			}
		} 
 		public override Module Module
		{ 
 			get 
 			{
				return this.runtimeType.Module; 
 			}
		}
		public override string Name
		{ 
 			get
			{ 
 				if (IsGenericType && !IsGenericTypeDefinition) 
 					return GetGenericTypeDefinition().FullName.Substring(Namespace.Length + 1);
				else if (Namespace != null) 
 					return FullName.Substring(Namespace.Length + 1);
				else
					return FullName;
			} 
 		}
		public override string Namespace 
 		{ 
 			get
			{ 
 				return this.runtimeType.Namespace;
			}
		}
		public override RuntimeTypeHandle TypeHandle 
 		{
			get 
 			{ 
 				return this.runtimeType.TypeHandle;
			} 
 		}
		public override Type UnderlyingSystemType
		{
			get 
 			{
				return this.runtimeType.UnderlyingSystemType; 
 			} 
 		}
		private bool IsAssignable(Type type1, Type type2) 
 		{
            Type typeTemp1 = ResolveTypeFromTypeSystem(type1);
            Type typeTemp2 = ResolveTypeFromTypeSystem(type2);
			return TypeProvider.IsAssignable(typeTemp1, typeTemp2); 
		}
 
        internal Type ResolveTypeFromTypeSystem(Type type) 
        {
            if (type == null) 
                return null;

			if (type.IsGenericParameter)
 				if (this.typeArgs == null) 
					return type;
 				else 
 					type = this.typeArgs[type.GenericParameterPosition]; 

            Type returnType = null; 
            try
            {
				if (!String.IsNullOrEmpty(type.AssemblyQualifiedName))
 					returnType = this.typeProvider.GetType(type.AssemblyQualifiedName); 
            }
            catch 
            { 
                // Work aroundh: there are certain generic types whch we are not able to resolve
                // form type system, this fix will make sure that we are in thowse cases returning 
                // the original types
            }
            if (returnType == null)
                returnType = type; 

            if (returnType.IsGenericType) 
                returnType = ResolveGenericTypeFromTypeSystem(returnType); 

            return returnType; 
        }

        internal Type ResolveGenericTypeFromTypeSystem(Type type)
        { 
            if (this.runtimeType.IsGenericTypeDefinition)
            { 
                Type baseType = null; 
                if (!type.IsNested)
                    baseType = this.typeProvider.GetType(type.Namespace + "." + type.Name); 
                else
                {
                    baseType = type;
                    string baseTypeName = type.Name; 
                    while (baseType.DeclaringType != null)
                    { 
                        baseType = baseType.DeclaringType; 
                        baseTypeName = baseType.Name + "+" + baseTypeName;
                    } 
                    baseTypeName = baseType.Namespace + "." + baseTypeName;
                    baseType = this.typeProvider.GetType(baseTypeName);
                }
 
                if (baseType != null)
                    return baseType.MakeGenericType(this.typeArgs); 
                else 
                    return type;
            } 
            else
                return type;
        }
        #endregion 

		#region public methods 
 
		public override bool Equals(object obj)
		{ 
 			Type otherType = obj as Type;
			if (otherType is RTTypeWrapper)
 				otherType = ((RTTypeWrapper)otherType).runtimeType;
 
 			return this.runtimeType == otherType;
		} 
 
 		public override object[] GetCustomAttributes(bool inherit)
		{ 
			return this.runtimeType.GetCustomAttributes(inherit);
		}
 		public override object[] GetCustomAttributes(Type attributeType, bool inherit)
		{ 
 			return this.runtimeType.GetCustomAttributes(attributeType, inherit);
 		} 
		public override ConstructorInfo[] GetConstructors(BindingFlags bindingAttr) 
 		{
            List ctorInfos = new List(); 
            foreach (ConstructorInfo ctorInfo in this.runtimeType.GetConstructors(bindingAttr))
                ctorInfos.Add(EnsureConstructorWrapped(ctorInfo));
            return ctorInfos.ToArray();
        } 
        public override EventInfo GetEvent(string name, BindingFlags bindingAttr)
		{ 
            EventInfo eventInfo = this.runtimeType.GetEvent(name, bindingAttr); 
            if (eventInfo != null)
                eventInfo = EnsureEventWrapped(eventInfo); 
            return eventInfo;
		}
		public override EventInfo[] GetEvents(BindingFlags bindingAttr)
 		{ 
            List eventInfos = new List();
            foreach (EventInfo eventInfo in this.runtimeType.GetEvents(bindingAttr)) 
                eventInfos.Add(EnsureEventWrapped(eventInfo)); 
            return eventInfos.ToArray();
        } 
        public override FieldInfo GetField(string name, BindingFlags bindingAttr)
		{
            FieldInfo field = this.runtimeType.GetField(name, bindingAttr);
            if(field != null) 
                field = EnsureFieldWrapped(field);
            return field; 
        } 
        public override FieldInfo[] GetFields(BindingFlags bindingAttr)
        { 
            List fieldInfos = new List();
            foreach (FieldInfo fieldInfo in this.runtimeType.GetFields(bindingAttr))
                fieldInfos.Add(EnsureFieldWrapped(fieldInfo));
            return fieldInfos.ToArray(); 
        }
        public override MethodInfo[] GetMethods(BindingFlags bindingAttr) 
 		{ 
            List methodInfos = new List();
            foreach (MethodInfo methodInfo in this.runtimeType.GetMethods(bindingAttr)) 
                methodInfos.Add(EnsureMethodWrapped(methodInfo));
            return methodInfos.ToArray();
        }
 		public override PropertyInfo[] GetProperties(BindingFlags bindingAttr) 
		{
            List propInfos = new List(); 
            foreach (PropertyInfo propInfo in this.runtimeType.GetProperties(bindingAttr)) 
                propInfos.Add(EnsurePropertyWrapped(propInfo));
            return propInfos.ToArray(); 
        }
        public override MemberInfo[] GetMember(string name, MemberTypes type, BindingFlags bindingAttr)
 		{
            List memberInfos = new List(); 
            foreach(MemberInfo memberInfo in this.runtimeType.GetMember(name, type, bindingAttr))
                memberInfos.Add(EnsureMemberWrapped(memberInfo)); 
            return memberInfos.ToArray(); 
        }
		public override MemberInfo[] GetMembers(BindingFlags bindingAttr) 
		{
            List memberInfos = new List();
            foreach (MemberInfo memberInfo in this.runtimeType.GetMembers(bindingAttr))
                memberInfos.Add(EnsureMemberWrapped(memberInfo)); 
            return memberInfos.ToArray();
        } 
        public override Type GetNestedType(string name, BindingFlags bindingAttr) 
		{
            Type nestedType = this.runtimeType.GetNestedType(name, bindingAttr); 
            if (nestedType != null)
                nestedType = ResolveTypeFromTypeSystem(nestedType);
            return nestedType;
        } 
 		public override Type[] GetNestedTypes(BindingFlags bindingAttr)
		{ 
            List nestedTypes = new List(); 
            foreach(Type nestedType in this.runtimeType.GetNestedTypes(bindingAttr))
                nestedTypes.Add(ResolveTypeFromTypeSystem(nestedType)); 
            return nestedTypes.ToArray();
 		}
 		public override Type GetInterface(string name, bool ignoreCase)
		{ 
            Type itfType = this.runtimeType.GetInterface(name, ignoreCase);
            if (itfType != null) 
                itfType = ResolveTypeFromTypeSystem(itfType); 
            return itfType;
        } 
        public override Type[] GetInterfaces()
 		{
            List itfTypes = new List();
            foreach (Type itfType in this.runtimeType.GetInterfaces()) 
            {
                Type interfaceType = ResolveTypeFromTypeSystem(itfType); 
                itfTypes.Add(interfaceType); 
            }
            return itfTypes.ToArray(); 
        }
        public override object InvokeMember(string name, BindingFlags bindingFlags, Binder binder, object target, object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParams)
		{
			return this.runtimeType.InvokeMember(name, bindingFlags, binder, target, providedArgs, modifiers, culture, namedParams); 
		}
 		public override bool IsSubclassOf(Type potentialBaseType) 
		{ 
            return System.Workflow.ComponentModel.Compiler.TypeProvider.IsSubclassOf(this.runtimeType, potentialBaseType);
        } 
        public override bool IsAssignableFrom(Type c)
        {
            Type rtType = this.runtimeType;
            if (rtType.IsGenericTypeDefinition && this.IsGenericType) 
                rtType = ResolveGenericTypeFromTypeSystem(rtType);
 
            return System.Workflow.ComponentModel.Compiler.TypeProvider.IsAssignable(rtType, c); 
        }
        public override string ToString() 
 		{
 			return this.runtimeType.ToString();
		}
 		public override int GetHashCode() 
		{
			return this.runtimeType.GetHashCode(); 
		} 
 		public override bool IsDefined(Type attributeType, bool inherit)
		{ 
 			return this.runtimeType.IsDefined(attributeType, inherit);
 		}
		public override Type GetElementType()
 		{ 
			return ResolveTypeFromTypeSystem(this.runtimeType.GetElementType());
		} 
 
		#endregion
 
        #region Helpers

        private PropertyInfo EnsurePropertyWrapped(PropertyInfo realInfo)
        { 
            PropertyInfo wrapperInfo = (PropertyInfo)this.memberMapping[realInfo];
            if (wrapperInfo == null) 
            { 
                wrapperInfo = new RTPropertyInfoWrapper(this, realInfo);
                this.memberMapping.Add(realInfo, wrapperInfo); 
            }
            return wrapperInfo;
        }
        internal MethodInfo EnsureMethodWrapped(MethodInfo realInfo) 
        {
            MethodInfo wrapperInfo = (MethodInfo)this.memberMapping[realInfo]; 
            if (wrapperInfo == null) 
            {
                wrapperInfo = new RTMethodInfoWrapper(this, realInfo); 
                this.memberMapping.Add(realInfo, wrapperInfo);
            }
            return wrapperInfo;
 
        }
        private MemberInfo EnsureMemberWrapped(MemberInfo memberInfo) 
        { 
            MemberInfo returnMemberInfo = null;
            if (memberInfo is PropertyInfo) 
                returnMemberInfo = EnsurePropertyWrapped(memberInfo as PropertyInfo);
            else if (memberInfo is ConstructorInfo)
                returnMemberInfo = EnsureConstructorWrapped(memberInfo as ConstructorInfo);
            else if (memberInfo is EventInfo) 
                returnMemberInfo = EnsureEventWrapped(memberInfo as EventInfo);
            else if (memberInfo is FieldInfo) 
                returnMemberInfo = EnsureFieldWrapped(memberInfo as FieldInfo); 
            else if (memberInfo is MethodInfo)
                returnMemberInfo = EnsureMethodWrapped(memberInfo as MethodInfo); 
            return returnMemberInfo;
        }
        private ConstructorInfo EnsureConstructorWrapped(ConstructorInfo realInfo)
        { 
            ConstructorInfo wrapperInfo = (ConstructorInfo)this.memberMapping[realInfo];
            if (wrapperInfo == null) 
            { 
                wrapperInfo = new RTConstructorInfoWrapper(this, realInfo);
                this.memberMapping.Add(realInfo, wrapperInfo); 
            }
            return wrapperInfo;

        } 
        private EventInfo EnsureEventWrapped(EventInfo realInfo)
        { 
            EventInfo wrapperInfo = (EventInfo)this.memberMapping[realInfo]; 
            if (wrapperInfo == null)
            { 
                wrapperInfo = new RTEventInfoWrapper(this, realInfo);
                this.memberMapping.Add(realInfo, wrapperInfo);
            }
            return wrapperInfo; 
        }
        private FieldInfo EnsureFieldWrapped(FieldInfo realInfo) 
        { 
            FieldInfo wrapperInfo = (FieldInfo)this.memberMapping[realInfo];
            if (wrapperInfo == null) 
            {
                wrapperInfo = new RTFieldInfoWrapper(this, realInfo);
                this.memberMapping.Add(realInfo, wrapperInfo);
            } 
            return wrapperInfo;
        } 
 
        #endregion
 
 		#region Support for generics
		public override bool IsGenericTypeDefinition
 		{
 			get 
			{
 				if (this.typeArgs != null && this.typeArgs.GetLength(0) > 0) 
					return false; 
				return this.runtimeType.IsGenericTypeDefinition;
			} 
 		}
		public override bool IsGenericParameter
 		{
 			get 
			{
 				return this.runtimeType.IsGenericParameter; 
			} 
		}
		public override int GenericParameterPosition 
 		{
			get
 			{
 				return this.runtimeType.GenericParameterPosition; 
			}
 		} 
		public override bool IsGenericType 
		{
			get 
 			{
                if (this.typeArgs != null && this.typeArgs.GetLength(0) > 0)
                    return true;
				return this.runtimeType.IsGenericType; 
            }
 		} 
 		public override bool ContainsGenericParameters 
		{
 			get 
			{
                if (this.typeArgs != null && this.typeArgs.GetLength(0) > 0)
                    return false;
                return this.runtimeType.ContainsGenericParameters; 
			}
		} 
 		public override Type[] GetGenericArguments() 
		{
 			return this.typeArgs; 
 		}
		public override Type GetGenericTypeDefinition()
 		{
			if (this.IsGenericType) 
			    return this.runtimeType;
            return this; 
        } 
		public override Type MakeGenericType(params Type[] typeArgs)
 		{ 
			if (typeArgs == null)
 				throw new ArgumentNullException("typeArgs");

 			Type[] types = new Type[typeArgs.Length]; 

			if (!IsGenericTypeDefinition) 
                throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "typeArgs"); 

 			for (int i = 0; i < typeArgs.Length; i++) 
			{
				types[i] = typeArgs[i];
				if (types[i] == null)
                    throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "typeArgs"); 
 			}
 
			Type returnType = this.boundedTypes[typeArgs] as Type; 
            if (returnType == null)
            { 
 				// handle Nullable specially
 				if ((typeArgs.Length == 1) && (this.runtimeType == typeof(Nullable<>)) && !(typeArgs[0].IsEnum))
				{
 					switch (Type.GetTypeCode(typeArgs[0])) 
					{
						case TypeCode.Boolean: 
							returnType = typeof(bool?); 
 							break;
						case TypeCode.Byte: 
 							returnType = typeof(byte?);
 							break;
						case TypeCode.Char:
 							returnType = typeof(char?); 
							break;
						case TypeCode.DateTime: 
							returnType = typeof(DateTime?); 
 							break;
						case TypeCode.Decimal: 
 							returnType = typeof(decimal?);
 							break;
						case TypeCode.Double:
 							returnType = typeof(double?); 
							break;
						case TypeCode.Int16: 
							returnType = typeof(short?); 
 							break;
						case TypeCode.Int32: 
 							returnType = typeof(int?);
 							break;
						case TypeCode.Int64:
 							returnType = typeof(long?); 
							break;
						case TypeCode.SByte: 
							returnType = typeof(sbyte?); 
 							break;
						case TypeCode.Single: 
 							returnType = typeof(float?);
 							break;
						case TypeCode.UInt16:
 							returnType = typeof(ushort?); 
							break;
						case TypeCode.UInt32: 
							returnType = typeof(uint?); 
 							break;
						case TypeCode.UInt64: 
 							returnType = typeof(ulong?);
 							break;
						default:
 							// no special handling, so make it as usual 
							returnType = new RTTypeWrapper(this.typeProvider, this.runtimeType, typeArgs);
							break; 
					} 
 				}
				else 
 				{
 					returnType = new RTTypeWrapper(this.typeProvider, this.runtimeType, typeArgs);
				}
                this.boundedTypes[typeArgs] = returnType; 
            }
            return returnType; 
        } 

        public override Type  MakeByRefType() 
        {
            return this.typeProvider.GetType(this.FullName + "&");
        }
 
        public override Type MakePointerType()
        { 
            return this.typeProvider.GetType(this.FullName + "*"); 
        }
 
        internal void OnAssemblyRemoved(Assembly removedAssembly)
 		{
			ArrayList bindingArgs = new ArrayList(this.boundedTypes.Keys);
			foreach (Type[] types in bindingArgs) 
			{
 				foreach (Type type in types) 
				{ 
 					if (type.Assembly == removedAssembly)
 					{ 
						this.boundedTypes.Remove(types);
 						break;
					}
				} 
			}
 		} 
 
		#endregion
 
 		#region implementation overrides

 		protected override ConstructorInfo GetConstructorImpl(BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
		{ 
            foreach (ConstructorInfo ctorInfo in this.runtimeType.GetConstructors(bindingAttr))
            { 
                bool mismatch = false; 
                if (types != null)
                { 
                    ParameterInfo[] parameters = ctorInfo.GetParameters();
                    if (parameters.GetLength(0) == types.Length)
                    {
                        for (int index = 0; !mismatch && index < parameters.Length; index++) 
 							mismatch = !IsAssignable(parameters[index].ParameterType, types[index]);
					} 
                    else 
                    {
                        mismatch = true; 
                    }
                }
                if (!mismatch)
                    return EnsureConstructorWrapped(ctorInfo); 
            }
            return null; 
        } 
        protected override MethodInfo GetMethodImpl(string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
		{ 
            foreach (MethodInfo method in this.runtimeType.GetMethods(bindingAttr))
            {
                bool matchName = ((bindingAttr & BindingFlags.IgnoreCase) == BindingFlags.IgnoreCase) ? string.Compare(method.Name, name, StringComparison.OrdinalIgnoreCase) == 0 : string.Compare(method.Name, name, StringComparison.Ordinal) == 0;
                if (matchName) 
                {
                    bool mismatch = false; 
                    if(types != null) 
                    {
                        ParameterInfo[] parameters = method.GetParameters(); 
                        if (parameters.GetLength(0) == types.Length)
                        {
                            for (int index = 0; !mismatch && index < parameters.Length; index++)
                                mismatch = !IsAssignable(parameters[index].ParameterType, types[index]); 
                        }
                        else 
                        { 
                            mismatch = true;
                        } 
                    }
                    if (!mismatch)
                        return EnsureMethodWrapped(method);
                } 
            }
            return null; 
        } 
		protected override PropertyInfo GetPropertyImpl(String name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers)
 		{ 
            foreach (PropertyInfo propInfo in this.runtimeType.GetProperties(bindingAttr))
            {
                bool matchName = ((bindingAttr & BindingFlags.IgnoreCase) == BindingFlags.IgnoreCase) ? string.Compare(propInfo.Name, name, StringComparison.OrdinalIgnoreCase) == 0 : string.Compare(propInfo.Name, name, StringComparison.Ordinal) == 0;
				if (matchName && (returnType == null || (returnType.Equals(propInfo.PropertyType)))) 
                {
                    bool mismatch = false; 
                    if (types != null) 
                    {
                        ParameterInfo[] parameters = propInfo.GetIndexParameters(); 
                        if (parameters.GetLength(0) == types.Length)
                        {
                            for (int index = 0; !mismatch && index < parameters.Length; index++)
 								mismatch = !IsAssignable(parameters[index].ParameterType, types[index]); 
 						}
                        else 
                        { 
                            mismatch = true;
                        } 
                    }
                    if (!mismatch)
                        return EnsurePropertyWrapped(propInfo);
                } 
            }
            return null; 
        } 
        protected override TypeAttributes GetAttributeFlagsImpl()
		{ 
 			return this.runtimeType.Attributes;
		}
		protected override bool HasElementTypeImpl()
		{ 
 			return this.runtimeType.HasElementType;
		} 
 		public override int GetArrayRank() 
 		{
			return this.runtimeType.GetArrayRank(); 
 		}
		protected override bool IsArrayImpl()
		{
			return this.runtimeType.IsArray; 
 		}
		protected override bool IsByRefImpl() 
 		{ 
 			return this.runtimeType.IsByRef;
		} 
 		protected override bool IsCOMObjectImpl()
		{
			return this.runtimeType.IsCOMObject;
		} 
 		protected override bool IsContextfulImpl()
		{ 
 			return this.runtimeType.IsContextful; 
 		}
		protected override bool IsMarshalByRefImpl() 
 		{
			return this.runtimeType.IsMarshalByRef;
		}
		protected override bool IsPointerImpl() 
 		{
			return this.runtimeType.IsPointer; 
 		} 
 		protected override bool IsPrimitiveImpl()
		{ 
 			return this.runtimeType.IsPrimitive;
		}
        #endregion
 
		#region ICloneable Members
		public object Clone() 
 		{ 
			return this;
 		} 
 		#endregion

        #region ConstructorInfo wrapper
 
        private class RTConstructorInfoWrapper : ConstructorInfo
        { 
            private RTTypeWrapper   rtTypeWrapper   = null; 
            private ConstructorInfo ctorInfo        = null;
            private ParameterInfo[] wrappedParameters = null; 
            public RTConstructorInfoWrapper(RTTypeWrapper rtTypeWrapper, ConstructorInfo ctorInfo)
            {
                this.rtTypeWrapper = rtTypeWrapper;
                this.ctorInfo = ctorInfo; 
            }
            public override object Invoke(BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture) 
            { 
				return this.ctorInfo.Invoke(invokeAttr, binder, parameters, culture);
 			} 
            public override MethodAttributes Attributes
            {
                get { return this.ctorInfo.Attributes; }
            } 
            public override MethodImplAttributes GetMethodImplementationFlags()
            { 
                return this.ctorInfo.GetMethodImplementationFlags(); 
            }
            public override ParameterInfo[]  GetParameters() 
            {
                if (this.wrappedParameters == null)
                {
                    List parameters = new List(); 
                    foreach (ParameterInfo parameter in this.ctorInfo.GetParameters())
                        parameters.Add(new RTParameterInfoWrapper(this.rtTypeWrapper, this.ctorInfo, parameter)); 
                    this.wrappedParameters = parameters.ToArray(); 
                }
                return this.wrappedParameters; 
            }
            public override object  Invoke(object obj, BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture)
            {
				return this.ctorInfo.Invoke(obj, invokeAttr, binder, parameters, culture); 
			}
            public override RuntimeMethodHandle  MethodHandle 
            { 
                get { return this.ctorInfo.MethodHandle; }
            } 
            public override Type  DeclaringType
            {
	            get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.ctorInfo.DeclaringType); }
            } 
            public override object[]  GetCustomAttributes(Type attributeType, bool inherit)
            { 
                return this.ctorInfo.GetCustomAttributes(attributeType, inherit); 
            }
            public override object[]  GetCustomAttributes(bool inherit) 
            {
                return this.ctorInfo.GetCustomAttributes(inherit);
            }
            public override bool  IsDefined(Type attributeType, bool inherit) 
            {
                return this.ctorInfo.IsDefined(attributeType, inherit); 
            } 
            public override MemberTypes  MemberType
            { 
                get { return this.ctorInfo.MemberType; }
            }
            public override string  Name
            { 
                get { return this.ctorInfo.Name; }
            } 
            public override Type ReflectedType 
            {
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.ctorInfo.ReflectedType); } 
            }
        }

        #endregion 

        #region FieldInfo Wrapper 
 
        private class RTFieldInfoWrapper : FieldInfo
        { 
            private RTTypeWrapper   rtTypeWrapper   = null;
            private FieldInfo       fieldInfo       = null;
            public RTFieldInfoWrapper(RTTypeWrapper rtTypeWrapper, FieldInfo fieldInfo)
            { 
                this.rtTypeWrapper = rtTypeWrapper;
                this.fieldInfo = fieldInfo; 
            } 
            public override int MetadataToken
            { 
                get { return this.fieldInfo.MetadataToken; }
            }
            public override Module Module
            { 
                get { return this.fieldInfo.Module; }
            } 
            public override FieldAttributes Attributes 
            {
                get { return this.fieldInfo.Attributes; } 
            }
            public override RuntimeFieldHandle FieldHandle
            {
                get { return this.fieldInfo.FieldHandle; } 
            }
            public override Type FieldType 
            { 
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.fieldInfo.FieldType); }
            } 
            public override object GetValue(object obj)
            {
 				return this.fieldInfo.GetValue(obj);
			} 
            public override void SetValue(object obj, object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
            { 
 				this.fieldInfo.SetValue(obj, value, invokeAttr, binder, culture); 
 			}
            public override Type DeclaringType 
            {
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.fieldInfo.DeclaringType); }
            }
            public override object[] GetCustomAttributes(Type attributeType, bool inherit) 
            {
                return this.fieldInfo.GetCustomAttributes(attributeType, inherit); 
            } 
            public override object[] GetCustomAttributes(bool inherit)
            { 
                return this.fieldInfo.GetCustomAttributes(inherit);
            }
            public override bool IsDefined(Type attributeType, bool inherit)
            { 
                return this.fieldInfo.IsDefined(attributeType, inherit);
            } 
            public override MemberTypes MemberType 
            {
                get { return this.fieldInfo.MemberType; } 
            }
            public override string Name
            {
                get { return this.fieldInfo.Name; } 
            }
            public override Type ReflectedType 
            { 
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.fieldInfo.ReflectedType); }
            } 
        }

        #endregion
 
        #region PropertyInfo Wrapper
 
        private class RTPropertyInfoWrapper : PropertyInfo 
        {
            private PropertyInfo    propertyInfo    = null; 
            private RTTypeWrapper   rtTypeWrapper   = null;
            private ParameterInfo[] wrappedParameters = null;
            public RTPropertyInfoWrapper(RTTypeWrapper rtTypeWrapper, PropertyInfo propertyInfo)
            { 
                this.rtTypeWrapper = rtTypeWrapper;
                this.propertyInfo = propertyInfo; 
            } 

            public override PropertyAttributes Attributes 
            {
                get { return this.propertyInfo.Attributes; }
            }
 
            public override bool CanRead
            { 
                get { return this.propertyInfo.CanRead; } 
            }
 
            public override bool CanWrite
            {
                get { return this.propertyInfo.CanWrite; }
            } 
            public override MethodInfo[] GetAccessors(bool nonPublic)
            { 
                List methods = new List(); 
                foreach(MethodInfo methodInfo in this.propertyInfo.GetAccessors(nonPublic))
                    methods.Add(this.rtTypeWrapper.EnsureMethodWrapped(methodInfo)); 
                return methods.ToArray();
            }
            public override MethodInfo GetGetMethod(bool nonPublic)
            { 
                MethodInfo methodInfo = this.propertyInfo.GetGetMethod(nonPublic);
                if (methodInfo == null) 
                    return null; 
                return this.rtTypeWrapper.EnsureMethodWrapped(methodInfo);
            } 
            public override ParameterInfo[] GetIndexParameters()
            {
                if (this.wrappedParameters == null)
                { 
                    List parameters = new List();
                    foreach (ParameterInfo parameter in this.propertyInfo.GetIndexParameters()) 
                        parameters.Add(new RTParameterInfoWrapper(this.rtTypeWrapper, this.propertyInfo, parameter)); 
                    this.wrappedParameters = parameters.ToArray();
                } 
                return this.wrappedParameters;
            }
            public override MethodInfo GetSetMethod(bool nonPublic)
            { 
                MethodInfo methodInfo = this.propertyInfo.GetSetMethod(nonPublic);
                if (methodInfo == null) 
                    return null; 
                return this.rtTypeWrapper.EnsureMethodWrapped(methodInfo);
            } 
            public override object GetValue(object obj, BindingFlags invokeAttr, Binder binder, object[] index, CultureInfo culture)
            {
				return this.propertyInfo.GetValue(obj, invokeAttr, binder, index, culture);
 			} 
            public override Type PropertyType
            { 
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.propertyInfo.PropertyType); } 
            }
            public override void SetValue(object obj, object value, BindingFlags invokeAttr, Binder binder, object[] index, CultureInfo culture) 
            {
				this.propertyInfo.SetValue(obj, value, invokeAttr, binder, index, culture);
			}
            public override Type DeclaringType 
            {
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.propertyInfo.DeclaringType); } 
            } 
            public override object[] GetCustomAttributes(Type attributeType, bool inherit)
            { 
                return this.propertyInfo.GetCustomAttributes(attributeType, inherit);
            }
            public override object[] GetCustomAttributes(bool inherit)
            { 
                return this.propertyInfo.GetCustomAttributes(inherit);
            } 
            public override bool IsDefined(Type attributeType, bool inherit) 
            {
                return this.propertyInfo.IsDefined(attributeType, inherit); 
            }
            public override MemberTypes MemberType
            {
                get { return this.propertyInfo.MemberType; } 
            }
            public override string Name 
            { 
                get { return this.propertyInfo.Name; }
            } 
            public override Type ReflectedType
            {
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.propertyInfo.ReflectedType); }
            } 
            public override int MetadataToken
            { 
                get { return this.propertyInfo.MetadataToken; } 
            }
 
            public override Module Module
            {
                get { return this.propertyInfo.Module ; }
            } 
        }
 
        #endregion 

        #region MethodInfo Wrapper 

        private class RTMethodInfoWrapper : MethodInfo
        {
            private MethodInfo      methodInfo      = null; 
            private RTTypeWrapper   rtTypeWrapper   = null;
            private ParameterInfo[] wrappedParameters = null; 
            public RTMethodInfoWrapper(RTTypeWrapper rtTypeWrapper, MethodInfo methodInfo) 
            {
                this.rtTypeWrapper = rtTypeWrapper; 
                this.methodInfo = methodInfo;
            }
            public override Module Module
            { 
                get { return this.methodInfo.Module; }
            } 
            public override MethodBody GetMethodBody() 
            {
                return this.methodInfo.GetMethodBody(); 
            }
            public override int MetadataToken
            {
                get { return this.methodInfo.MetadataToken; } 
            }
            public override CallingConventions CallingConvention 
            { 
                get { return this.methodInfo.CallingConvention; }
            } 
            public override ParameterInfo ReturnParameter
            {
                get { return new RTParameterInfoWrapper(this.rtTypeWrapper, this, this.methodInfo.ReturnParameter); }
            } 
            public override MethodInfo GetBaseDefinition()
            { 
                return this.methodInfo.GetBaseDefinition(); 
            }
            public override Type ReturnType 
            {
                get
                {
                    return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.methodInfo.ReturnType); 
                }
            } 
            public override ICustomAttributeProvider ReturnTypeCustomAttributes 
            {
                get { return this.methodInfo.ReturnTypeCustomAttributes; } 
            }
            public override MethodAttributes Attributes
            {
                get { return this.methodInfo.Attributes; } 
            }
            public override MethodImplAttributes GetMethodImplementationFlags() 
            { 
                return this.methodInfo.GetMethodImplementationFlags();
            } 
            public override ParameterInfo[] GetParameters()
            {
                if (this.wrappedParameters == null)
                { 
                    List parameters = new List();
                    foreach (ParameterInfo parameter in this.methodInfo.GetParameters()) 
                        parameters.Add(new RTParameterInfoWrapper(this.rtTypeWrapper, this.methodInfo, parameter)); 
                    this.wrappedParameters = parameters.ToArray();
                } 
                return this.wrappedParameters;
            }
            public override object Invoke(object obj, BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture)
            { 
				return this.methodInfo.Invoke(obj, invokeAttr, binder, parameters, culture);
            } 
            public override RuntimeMethodHandle MethodHandle 
            {
                get { return this.methodInfo.MethodHandle; } 
            }

            public override Type DeclaringType
            { 
                get
                { 
                    return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.methodInfo.DeclaringType); 
                }
            } 
            public override object[] GetCustomAttributes(Type attributeType, bool inherit)
            {
                return this.methodInfo.GetCustomAttributes(attributeType, inherit);
            } 
            public override object[] GetCustomAttributes(bool inherit)
            { 
                return this.methodInfo.GetCustomAttributes(inherit); 
            }
            public override bool IsDefined(Type attributeType, bool inherit) 
            {
                return this.methodInfo.IsDefined(attributeType, inherit);
            }
            public override MemberTypes MemberType 
            {
                get { return this.methodInfo.MemberType; } 
            } 
            public override string Name
            { 
                get { return this.methodInfo.Name; }
            }
            public override Type ReflectedType
            { 
                get
                { 
                    return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.methodInfo.ReflectedType); 
                }
            } 
        }

        #endregion
 
        #region EventInfo Wrapper
 
        private class RTEventInfoWrapper : EventInfo 
        {
            private RTTypeWrapper   rtTypeWrapper = null; 
            private EventInfo       eventInfo       = null;
            public RTEventInfoWrapper(RTTypeWrapper rtTypeWrapper, EventInfo eventInfo)
            {
                this.rtTypeWrapper = rtTypeWrapper; 
                this.eventInfo = eventInfo;
            } 
            public override EventAttributes Attributes 
            {
                get { return this.eventInfo.Attributes; } 
            }
            public override MethodInfo GetAddMethod(bool nonPublic)
            {
                MethodInfo methodInfo = this.eventInfo.GetAddMethod(nonPublic); 
                if (methodInfo == null)
                    return null; 
                return this.rtTypeWrapper.EnsureMethodWrapped(methodInfo); 
            }
            public override MethodInfo GetRaiseMethod(bool nonPublic) 
            {
                MethodInfo methodInfo = this.eventInfo.GetRaiseMethod(nonPublic);
                if (methodInfo == null)
                    return null; 
                return this.rtTypeWrapper.EnsureMethodWrapped(methodInfo);
            } 
            public override MethodInfo GetRemoveMethod(bool nonPublic) 
            {
                MethodInfo methodInfo = this.eventInfo.GetRemoveMethod(nonPublic); 
                if (methodInfo == null)
                    return null;
                return this.rtTypeWrapper.EnsureMethodWrapped(methodInfo);
            } 
            public override Type DeclaringType
            { 
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.eventInfo.DeclaringType); } 
            }
            public override object[] GetCustomAttributes(Type attributeType, bool inherit) 
            {
                return this.eventInfo.GetCustomAttributes(attributeType, inherit);
            }
            public override object[] GetCustomAttributes(bool inherit) 
            {
                return this.eventInfo.GetCustomAttributes(inherit); 
            } 
            public override bool IsDefined(Type attributeType, bool inherit)
            { 
                return this.eventInfo.IsDefined(attributeType, inherit);
            }
            public override MemberTypes MemberType
            { 
                get { return this.eventInfo.MemberType; }
            } 
            public override string Name 
            {
                get { return this.eventInfo.Name; } 
            }
            public override Type ReflectedType
            {
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.eventInfo.ReflectedType); } 
            }
 
            public override int MetadataToken 
            {
                get { return this.eventInfo.MetadataToken; } 
            }
            public override Module Module
            {
                get { return this.eventInfo.Module; } 
            }
        } 
 
        #endregion
 
        #region ParameterInfo wrapper

        private class RTParameterInfoWrapper : ParameterInfo
        { 
            private RTTypeWrapper rtTypeWrapper = null;
            private ParameterInfo paramInfo = null; 
            private MemberInfo parentMember = null; 

            public RTParameterInfoWrapper(RTTypeWrapper rtTypeWrapper, MemberInfo parentMember, ParameterInfo paramInfo) 
            {
                this.parentMember = parentMember;
                this.rtTypeWrapper = rtTypeWrapper;
                this.paramInfo = paramInfo; 
            }
            public override ParameterAttributes Attributes 
            { 
                get { return this.paramInfo.Attributes; }
            } 
            public override object[] GetCustomAttributes(bool inherit)
            {
                return this.paramInfo.GetCustomAttributes(inherit);
            } 
            public override bool IsDefined(Type attributeType, bool inherit)
            { 
                return this.paramInfo.IsDefined(attributeType, inherit); 
            }
            public override MemberInfo Member 
            {
                get { return this.parentMember; }
            }
            public override Type[] GetOptionalCustomModifiers() 
            {
 				return this.paramInfo.GetOptionalCustomModifiers(); 
            } 
            public override string Name
            { 
                get { return this.paramInfo.Name; }
            }
            public override Type ParameterType
            { 
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.paramInfo.ParameterType); }
            } 
            public override int Position 
            {
                get { return this.paramInfo.Position; } 
            }
            public override Type[] GetRequiredCustomModifiers()
            {
				return this.paramInfo.GetRequiredCustomModifiers(); 
            }
            public override object DefaultValue 
            { 
                get
                { 
#pragma warning suppress 56503
                    throw new global::System.NotImplementedException();
                }
            } 
        }
        #endregion 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
#pragma warning disable 1634, 1691 
namespace System.Workflow.ComponentModel.Compiler
{
 	using System;
	using System.Collections; 
	using System.Collections.Generic;
	using System.ComponentModel; 
 	using System.Globalization; 
	using System.Reflection;
 	using System.CodeDom; 
    using System.Text;

 	internal sealed class RTTypeWrapper: Type, ICloneable
    { 
        #region BoundedTypeArray Comparer
 
        private class TypeArrayComparer : IEqualityComparer 
        {
            #region IEqualityComparer Members 

            bool IEqualityComparer.Equals(object x, object y)
            {
                Array xArray = x as Array; 
                Array yArray = y as Array;
                if(xArray == null || yArray == null || xArray.Rank != 1 || yArray.Rank != 1) 
                    return false; 

                bool mismatch = false; 
                if (xArray.Length == yArray.Length)
                {
                    for (int index = 0; !mismatch && index < xArray.Length; index++)
                        mismatch = (xArray.GetValue(index) != yArray.GetValue(index)); 
                }
                else 
                { 
                    mismatch = true;
                } 
                return !mismatch;
            }

			int IEqualityComparer.GetHashCode(object obj) 
            {
                return 0; 
            } 
            #endregion
        } 

        #endregion

 		#region Members and Constructors 
		private Type            runtimeType     = null;
		private Type[]          typeArgs        = null; 
        private ITypeProvider   typeProvider    = null; 
        private Hashtable       memberMapping   = new Hashtable();
        private Hashtable       boundedTypes    = new Hashtable(new TypeArrayComparer()); 

        internal RTTypeWrapper(ITypeProvider typeProvider, Type runtimeType)
		{
 			if (runtimeType == null) 
				throw new ArgumentNullException("runtimeType");
 
 			//we dont expect DesignTimeType to be passed to this class for wrapping purposes 
 			if (runtimeType.Assembly == null)
				throw new ArgumentException(SR.GetString(SR.Error_InvalidRuntimeType), "runtimeType"); 

            this.typeProvider = typeProvider;
            this.runtimeType = runtimeType;
 		} 

		internal ITypeProvider Provider 
		{ 
			get
 			{ 
				return this.typeProvider;
 			}
 		}
 
		private RTTypeWrapper(ITypeProvider typeProvider, Type runtimeType, Type[] typeArgs)
        { 
 			if (runtimeType == null) 
				throw new ArgumentNullException("runtimeType");
 
			//we dont expect DesignTimeType to be passed to this class for wrapping purposes
			if (runtimeType.Assembly == null)
 				throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "runtimeType");
 
            this.typeProvider = typeProvider;
            this.runtimeType = runtimeType; 
 
			if (!IsGenericTypeDefinition)
 				throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "runtimeType"); 

 			this.typeArgs = new Type[typeArgs.Length];
			for (int i = 0; i < typeArgs.Length; i++)
 			{ 
				this.typeArgs[i] = typeArgs[i];
				if (this.typeArgs[i] == null) 
                    throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "typeArgs"); 
			}
 		} 
		
 		#endregion

 		#region Properties 

        public override int MetadataToken 
        { 
            get { return this.runtimeType.MetadataToken; }
        } 

        public override Assembly Assembly
		{
 			get 
			{
				if (this.typeArgs != null) 
				{ 
 					foreach (Type type in this.typeArgs)
						if (type.Assembly == null) 
 							return null;
 				}
				
 				return this.runtimeType.Assembly; 
			}
		} 
		public override string AssemblyQualifiedName 
 		{
			get 
 			{
                return this.FullName + ", " + this.runtimeType.Assembly.FullName;
 			}
		} 
 		public override Type BaseType
		{ 
			get 
			{
                return ResolveTypeFromTypeSystem(this.runtimeType.BaseType); 
            }
 		}
		public override Type DeclaringType
 		{ 
 			get
			{ 
                if (this.runtimeType.DeclaringType == null) 
                    return null;
                return this.typeProvider.GetType(this.runtimeType.DeclaringType.AssemblyQualifiedName); 
            }
 		}

		public override string FullName 
		{
			get 
 			{ 
                StringBuilder fullName = new StringBuilder(this.runtimeType.FullName);
                if (this.typeArgs != null && this.typeArgs.Length > 0) 
                {
                    fullName.Append("[");
                    for (int index = 0; index < this.typeArgs.Length; index++)
                    { 
                        fullName.Append("[");
                        fullName.Append(this.typeArgs[index].AssemblyQualifiedName); 
                        fullName.Append("]"); 
                        if(index < (this.typeArgs.Length - 1))
                            fullName.Append(","); 
                    }
                    fullName.Append("]");
                }
                return fullName.ToString(); 
            }
		} 
 		public override Guid GUID 
 		{
			get 
 			{
				return this.runtimeType.GUID;
			}
		} 
 		public override Module Module
		{ 
 			get 
 			{
				return this.runtimeType.Module; 
 			}
		}
		public override string Name
		{ 
 			get
			{ 
 				if (IsGenericType && !IsGenericTypeDefinition) 
 					return GetGenericTypeDefinition().FullName.Substring(Namespace.Length + 1);
				else if (Namespace != null) 
 					return FullName.Substring(Namespace.Length + 1);
				else
					return FullName;
			} 
 		}
		public override string Namespace 
 		{ 
 			get
			{ 
 				return this.runtimeType.Namespace;
			}
		}
		public override RuntimeTypeHandle TypeHandle 
 		{
			get 
 			{ 
 				return this.runtimeType.TypeHandle;
			} 
 		}
		public override Type UnderlyingSystemType
		{
			get 
 			{
				return this.runtimeType.UnderlyingSystemType; 
 			} 
 		}
		private bool IsAssignable(Type type1, Type type2) 
 		{
            Type typeTemp1 = ResolveTypeFromTypeSystem(type1);
            Type typeTemp2 = ResolveTypeFromTypeSystem(type2);
			return TypeProvider.IsAssignable(typeTemp1, typeTemp2); 
		}
 
        internal Type ResolveTypeFromTypeSystem(Type type) 
        {
            if (type == null) 
                return null;

			if (type.IsGenericParameter)
 				if (this.typeArgs == null) 
					return type;
 				else 
 					type = this.typeArgs[type.GenericParameterPosition]; 

            Type returnType = null; 
            try
            {
				if (!String.IsNullOrEmpty(type.AssemblyQualifiedName))
 					returnType = this.typeProvider.GetType(type.AssemblyQualifiedName); 
            }
            catch 
            { 
                // Work aroundh: there are certain generic types whch we are not able to resolve
                // form type system, this fix will make sure that we are in thowse cases returning 
                // the original types
            }
            if (returnType == null)
                returnType = type; 

            if (returnType.IsGenericType) 
                returnType = ResolveGenericTypeFromTypeSystem(returnType); 

            return returnType; 
        }

        internal Type ResolveGenericTypeFromTypeSystem(Type type)
        { 
            if (this.runtimeType.IsGenericTypeDefinition)
            { 
                Type baseType = null; 
                if (!type.IsNested)
                    baseType = this.typeProvider.GetType(type.Namespace + "." + type.Name); 
                else
                {
                    baseType = type;
                    string baseTypeName = type.Name; 
                    while (baseType.DeclaringType != null)
                    { 
                        baseType = baseType.DeclaringType; 
                        baseTypeName = baseType.Name + "+" + baseTypeName;
                    } 
                    baseTypeName = baseType.Namespace + "." + baseTypeName;
                    baseType = this.typeProvider.GetType(baseTypeName);
                }
 
                if (baseType != null)
                    return baseType.MakeGenericType(this.typeArgs); 
                else 
                    return type;
            } 
            else
                return type;
        }
        #endregion 

		#region public methods 
 
		public override bool Equals(object obj)
		{ 
 			Type otherType = obj as Type;
			if (otherType is RTTypeWrapper)
 				otherType = ((RTTypeWrapper)otherType).runtimeType;
 
 			return this.runtimeType == otherType;
		} 
 
 		public override object[] GetCustomAttributes(bool inherit)
		{ 
			return this.runtimeType.GetCustomAttributes(inherit);
		}
 		public override object[] GetCustomAttributes(Type attributeType, bool inherit)
		{ 
 			return this.runtimeType.GetCustomAttributes(attributeType, inherit);
 		} 
		public override ConstructorInfo[] GetConstructors(BindingFlags bindingAttr) 
 		{
            List ctorInfos = new List(); 
            foreach (ConstructorInfo ctorInfo in this.runtimeType.GetConstructors(bindingAttr))
                ctorInfos.Add(EnsureConstructorWrapped(ctorInfo));
            return ctorInfos.ToArray();
        } 
        public override EventInfo GetEvent(string name, BindingFlags bindingAttr)
		{ 
            EventInfo eventInfo = this.runtimeType.GetEvent(name, bindingAttr); 
            if (eventInfo != null)
                eventInfo = EnsureEventWrapped(eventInfo); 
            return eventInfo;
		}
		public override EventInfo[] GetEvents(BindingFlags bindingAttr)
 		{ 
            List eventInfos = new List();
            foreach (EventInfo eventInfo in this.runtimeType.GetEvents(bindingAttr)) 
                eventInfos.Add(EnsureEventWrapped(eventInfo)); 
            return eventInfos.ToArray();
        } 
        public override FieldInfo GetField(string name, BindingFlags bindingAttr)
		{
            FieldInfo field = this.runtimeType.GetField(name, bindingAttr);
            if(field != null) 
                field = EnsureFieldWrapped(field);
            return field; 
        } 
        public override FieldInfo[] GetFields(BindingFlags bindingAttr)
        { 
            List fieldInfos = new List();
            foreach (FieldInfo fieldInfo in this.runtimeType.GetFields(bindingAttr))
                fieldInfos.Add(EnsureFieldWrapped(fieldInfo));
            return fieldInfos.ToArray(); 
        }
        public override MethodInfo[] GetMethods(BindingFlags bindingAttr) 
 		{ 
            List methodInfos = new List();
            foreach (MethodInfo methodInfo in this.runtimeType.GetMethods(bindingAttr)) 
                methodInfos.Add(EnsureMethodWrapped(methodInfo));
            return methodInfos.ToArray();
        }
 		public override PropertyInfo[] GetProperties(BindingFlags bindingAttr) 
		{
            List propInfos = new List(); 
            foreach (PropertyInfo propInfo in this.runtimeType.GetProperties(bindingAttr)) 
                propInfos.Add(EnsurePropertyWrapped(propInfo));
            return propInfos.ToArray(); 
        }
        public override MemberInfo[] GetMember(string name, MemberTypes type, BindingFlags bindingAttr)
 		{
            List memberInfos = new List(); 
            foreach(MemberInfo memberInfo in this.runtimeType.GetMember(name, type, bindingAttr))
                memberInfos.Add(EnsureMemberWrapped(memberInfo)); 
            return memberInfos.ToArray(); 
        }
		public override MemberInfo[] GetMembers(BindingFlags bindingAttr) 
		{
            List memberInfos = new List();
            foreach (MemberInfo memberInfo in this.runtimeType.GetMembers(bindingAttr))
                memberInfos.Add(EnsureMemberWrapped(memberInfo)); 
            return memberInfos.ToArray();
        } 
        public override Type GetNestedType(string name, BindingFlags bindingAttr) 
		{
            Type nestedType = this.runtimeType.GetNestedType(name, bindingAttr); 
            if (nestedType != null)
                nestedType = ResolveTypeFromTypeSystem(nestedType);
            return nestedType;
        } 
 		public override Type[] GetNestedTypes(BindingFlags bindingAttr)
		{ 
            List nestedTypes = new List(); 
            foreach(Type nestedType in this.runtimeType.GetNestedTypes(bindingAttr))
                nestedTypes.Add(ResolveTypeFromTypeSystem(nestedType)); 
            return nestedTypes.ToArray();
 		}
 		public override Type GetInterface(string name, bool ignoreCase)
		{ 
            Type itfType = this.runtimeType.GetInterface(name, ignoreCase);
            if (itfType != null) 
                itfType = ResolveTypeFromTypeSystem(itfType); 
            return itfType;
        } 
        public override Type[] GetInterfaces()
 		{
            List itfTypes = new List();
            foreach (Type itfType in this.runtimeType.GetInterfaces()) 
            {
                Type interfaceType = ResolveTypeFromTypeSystem(itfType); 
                itfTypes.Add(interfaceType); 
            }
            return itfTypes.ToArray(); 
        }
        public override object InvokeMember(string name, BindingFlags bindingFlags, Binder binder, object target, object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParams)
		{
			return this.runtimeType.InvokeMember(name, bindingFlags, binder, target, providedArgs, modifiers, culture, namedParams); 
		}
 		public override bool IsSubclassOf(Type potentialBaseType) 
		{ 
            return System.Workflow.ComponentModel.Compiler.TypeProvider.IsSubclassOf(this.runtimeType, potentialBaseType);
        } 
        public override bool IsAssignableFrom(Type c)
        {
            Type rtType = this.runtimeType;
            if (rtType.IsGenericTypeDefinition && this.IsGenericType) 
                rtType = ResolveGenericTypeFromTypeSystem(rtType);
 
            return System.Workflow.ComponentModel.Compiler.TypeProvider.IsAssignable(rtType, c); 
        }
        public override string ToString() 
 		{
 			return this.runtimeType.ToString();
		}
 		public override int GetHashCode() 
		{
			return this.runtimeType.GetHashCode(); 
		} 
 		public override bool IsDefined(Type attributeType, bool inherit)
		{ 
 			return this.runtimeType.IsDefined(attributeType, inherit);
 		}
		public override Type GetElementType()
 		{ 
			return ResolveTypeFromTypeSystem(this.runtimeType.GetElementType());
		} 
 
		#endregion
 
        #region Helpers

        private PropertyInfo EnsurePropertyWrapped(PropertyInfo realInfo)
        { 
            PropertyInfo wrapperInfo = (PropertyInfo)this.memberMapping[realInfo];
            if (wrapperInfo == null) 
            { 
                wrapperInfo = new RTPropertyInfoWrapper(this, realInfo);
                this.memberMapping.Add(realInfo, wrapperInfo); 
            }
            return wrapperInfo;
        }
        internal MethodInfo EnsureMethodWrapped(MethodInfo realInfo) 
        {
            MethodInfo wrapperInfo = (MethodInfo)this.memberMapping[realInfo]; 
            if (wrapperInfo == null) 
            {
                wrapperInfo = new RTMethodInfoWrapper(this, realInfo); 
                this.memberMapping.Add(realInfo, wrapperInfo);
            }
            return wrapperInfo;
 
        }
        private MemberInfo EnsureMemberWrapped(MemberInfo memberInfo) 
        { 
            MemberInfo returnMemberInfo = null;
            if (memberInfo is PropertyInfo) 
                returnMemberInfo = EnsurePropertyWrapped(memberInfo as PropertyInfo);
            else if (memberInfo is ConstructorInfo)
                returnMemberInfo = EnsureConstructorWrapped(memberInfo as ConstructorInfo);
            else if (memberInfo is EventInfo) 
                returnMemberInfo = EnsureEventWrapped(memberInfo as EventInfo);
            else if (memberInfo is FieldInfo) 
                returnMemberInfo = EnsureFieldWrapped(memberInfo as FieldInfo); 
            else if (memberInfo is MethodInfo)
                returnMemberInfo = EnsureMethodWrapped(memberInfo as MethodInfo); 
            return returnMemberInfo;
        }
        private ConstructorInfo EnsureConstructorWrapped(ConstructorInfo realInfo)
        { 
            ConstructorInfo wrapperInfo = (ConstructorInfo)this.memberMapping[realInfo];
            if (wrapperInfo == null) 
            { 
                wrapperInfo = new RTConstructorInfoWrapper(this, realInfo);
                this.memberMapping.Add(realInfo, wrapperInfo); 
            }
            return wrapperInfo;

        } 
        private EventInfo EnsureEventWrapped(EventInfo realInfo)
        { 
            EventInfo wrapperInfo = (EventInfo)this.memberMapping[realInfo]; 
            if (wrapperInfo == null)
            { 
                wrapperInfo = new RTEventInfoWrapper(this, realInfo);
                this.memberMapping.Add(realInfo, wrapperInfo);
            }
            return wrapperInfo; 
        }
        private FieldInfo EnsureFieldWrapped(FieldInfo realInfo) 
        { 
            FieldInfo wrapperInfo = (FieldInfo)this.memberMapping[realInfo];
            if (wrapperInfo == null) 
            {
                wrapperInfo = new RTFieldInfoWrapper(this, realInfo);
                this.memberMapping.Add(realInfo, wrapperInfo);
            } 
            return wrapperInfo;
        } 
 
        #endregion
 
 		#region Support for generics
		public override bool IsGenericTypeDefinition
 		{
 			get 
			{
 				if (this.typeArgs != null && this.typeArgs.GetLength(0) > 0) 
					return false; 
				return this.runtimeType.IsGenericTypeDefinition;
			} 
 		}
		public override bool IsGenericParameter
 		{
 			get 
			{
 				return this.runtimeType.IsGenericParameter; 
			} 
		}
		public override int GenericParameterPosition 
 		{
			get
 			{
 				return this.runtimeType.GenericParameterPosition; 
			}
 		} 
		public override bool IsGenericType 
		{
			get 
 			{
                if (this.typeArgs != null && this.typeArgs.GetLength(0) > 0)
                    return true;
				return this.runtimeType.IsGenericType; 
            }
 		} 
 		public override bool ContainsGenericParameters 
		{
 			get 
			{
                if (this.typeArgs != null && this.typeArgs.GetLength(0) > 0)
                    return false;
                return this.runtimeType.ContainsGenericParameters; 
			}
		} 
 		public override Type[] GetGenericArguments() 
		{
 			return this.typeArgs; 
 		}
		public override Type GetGenericTypeDefinition()
 		{
			if (this.IsGenericType) 
			    return this.runtimeType;
            return this; 
        } 
		public override Type MakeGenericType(params Type[] typeArgs)
 		{ 
			if (typeArgs == null)
 				throw new ArgumentNullException("typeArgs");

 			Type[] types = new Type[typeArgs.Length]; 

			if (!IsGenericTypeDefinition) 
                throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "typeArgs"); 

 			for (int i = 0; i < typeArgs.Length; i++) 
			{
				types[i] = typeArgs[i];
				if (types[i] == null)
                    throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "typeArgs"); 
 			}
 
			Type returnType = this.boundedTypes[typeArgs] as Type; 
            if (returnType == null)
            { 
 				// handle Nullable specially
 				if ((typeArgs.Length == 1) && (this.runtimeType == typeof(Nullable<>)) && !(typeArgs[0].IsEnum))
				{
 					switch (Type.GetTypeCode(typeArgs[0])) 
					{
						case TypeCode.Boolean: 
							returnType = typeof(bool?); 
 							break;
						case TypeCode.Byte: 
 							returnType = typeof(byte?);
 							break;
						case TypeCode.Char:
 							returnType = typeof(char?); 
							break;
						case TypeCode.DateTime: 
							returnType = typeof(DateTime?); 
 							break;
						case TypeCode.Decimal: 
 							returnType = typeof(decimal?);
 							break;
						case TypeCode.Double:
 							returnType = typeof(double?); 
							break;
						case TypeCode.Int16: 
							returnType = typeof(short?); 
 							break;
						case TypeCode.Int32: 
 							returnType = typeof(int?);
 							break;
						case TypeCode.Int64:
 							returnType = typeof(long?); 
							break;
						case TypeCode.SByte: 
							returnType = typeof(sbyte?); 
 							break;
						case TypeCode.Single: 
 							returnType = typeof(float?);
 							break;
						case TypeCode.UInt16:
 							returnType = typeof(ushort?); 
							break;
						case TypeCode.UInt32: 
							returnType = typeof(uint?); 
 							break;
						case TypeCode.UInt64: 
 							returnType = typeof(ulong?);
 							break;
						default:
 							// no special handling, so make it as usual 
							returnType = new RTTypeWrapper(this.typeProvider, this.runtimeType, typeArgs);
							break; 
					} 
 				}
				else 
 				{
 					returnType = new RTTypeWrapper(this.typeProvider, this.runtimeType, typeArgs);
				}
                this.boundedTypes[typeArgs] = returnType; 
            }
            return returnType; 
        } 

        public override Type  MakeByRefType() 
        {
            return this.typeProvider.GetType(this.FullName + "&");
        }
 
        public override Type MakePointerType()
        { 
            return this.typeProvider.GetType(this.FullName + "*"); 
        }
 
        internal void OnAssemblyRemoved(Assembly removedAssembly)
 		{
			ArrayList bindingArgs = new ArrayList(this.boundedTypes.Keys);
			foreach (Type[] types in bindingArgs) 
			{
 				foreach (Type type in types) 
				{ 
 					if (type.Assembly == removedAssembly)
 					{ 
						this.boundedTypes.Remove(types);
 						break;
					}
				} 
			}
 		} 
 
		#endregion
 
 		#region implementation overrides

 		protected override ConstructorInfo GetConstructorImpl(BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
		{ 
            foreach (ConstructorInfo ctorInfo in this.runtimeType.GetConstructors(bindingAttr))
            { 
                bool mismatch = false; 
                if (types != null)
                { 
                    ParameterInfo[] parameters = ctorInfo.GetParameters();
                    if (parameters.GetLength(0) == types.Length)
                    {
                        for (int index = 0; !mismatch && index < parameters.Length; index++) 
 							mismatch = !IsAssignable(parameters[index].ParameterType, types[index]);
					} 
                    else 
                    {
                        mismatch = true; 
                    }
                }
                if (!mismatch)
                    return EnsureConstructorWrapped(ctorInfo); 
            }
            return null; 
        } 
        protected override MethodInfo GetMethodImpl(string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
		{ 
            foreach (MethodInfo method in this.runtimeType.GetMethods(bindingAttr))
            {
                bool matchName = ((bindingAttr & BindingFlags.IgnoreCase) == BindingFlags.IgnoreCase) ? string.Compare(method.Name, name, StringComparison.OrdinalIgnoreCase) == 0 : string.Compare(method.Name, name, StringComparison.Ordinal) == 0;
                if (matchName) 
                {
                    bool mismatch = false; 
                    if(types != null) 
                    {
                        ParameterInfo[] parameters = method.GetParameters(); 
                        if (parameters.GetLength(0) == types.Length)
                        {
                            for (int index = 0; !mismatch && index < parameters.Length; index++)
                                mismatch = !IsAssignable(parameters[index].ParameterType, types[index]); 
                        }
                        else 
                        { 
                            mismatch = true;
                        } 
                    }
                    if (!mismatch)
                        return EnsureMethodWrapped(method);
                } 
            }
            return null; 
        } 
		protected override PropertyInfo GetPropertyImpl(String name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers)
 		{ 
            foreach (PropertyInfo propInfo in this.runtimeType.GetProperties(bindingAttr))
            {
                bool matchName = ((bindingAttr & BindingFlags.IgnoreCase) == BindingFlags.IgnoreCase) ? string.Compare(propInfo.Name, name, StringComparison.OrdinalIgnoreCase) == 0 : string.Compare(propInfo.Name, name, StringComparison.Ordinal) == 0;
				if (matchName && (returnType == null || (returnType.Equals(propInfo.PropertyType)))) 
                {
                    bool mismatch = false; 
                    if (types != null) 
                    {
                        ParameterInfo[] parameters = propInfo.GetIndexParameters(); 
                        if (parameters.GetLength(0) == types.Length)
                        {
                            for (int index = 0; !mismatch && index < parameters.Length; index++)
 								mismatch = !IsAssignable(parameters[index].ParameterType, types[index]); 
 						}
                        else 
                        { 
                            mismatch = true;
                        } 
                    }
                    if (!mismatch)
                        return EnsurePropertyWrapped(propInfo);
                } 
            }
            return null; 
        } 
        protected override TypeAttributes GetAttributeFlagsImpl()
		{ 
 			return this.runtimeType.Attributes;
		}
		protected override bool HasElementTypeImpl()
		{ 
 			return this.runtimeType.HasElementType;
		} 
 		public override int GetArrayRank() 
 		{
			return this.runtimeType.GetArrayRank(); 
 		}
		protected override bool IsArrayImpl()
		{
			return this.runtimeType.IsArray; 
 		}
		protected override bool IsByRefImpl() 
 		{ 
 			return this.runtimeType.IsByRef;
		} 
 		protected override bool IsCOMObjectImpl()
		{
			return this.runtimeType.IsCOMObject;
		} 
 		protected override bool IsContextfulImpl()
		{ 
 			return this.runtimeType.IsContextful; 
 		}
		protected override bool IsMarshalByRefImpl() 
 		{
			return this.runtimeType.IsMarshalByRef;
		}
		protected override bool IsPointerImpl() 
 		{
			return this.runtimeType.IsPointer; 
 		} 
 		protected override bool IsPrimitiveImpl()
		{ 
 			return this.runtimeType.IsPrimitive;
		}
        #endregion
 
		#region ICloneable Members
		public object Clone() 
 		{ 
			return this;
 		} 
 		#endregion

        #region ConstructorInfo wrapper
 
        private class RTConstructorInfoWrapper : ConstructorInfo
        { 
            private RTTypeWrapper   rtTypeWrapper   = null; 
            private ConstructorInfo ctorInfo        = null;
            private ParameterInfo[] wrappedParameters = null; 
            public RTConstructorInfoWrapper(RTTypeWrapper rtTypeWrapper, ConstructorInfo ctorInfo)
            {
                this.rtTypeWrapper = rtTypeWrapper;
                this.ctorInfo = ctorInfo; 
            }
            public override object Invoke(BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture) 
            { 
				return this.ctorInfo.Invoke(invokeAttr, binder, parameters, culture);
 			} 
            public override MethodAttributes Attributes
            {
                get { return this.ctorInfo.Attributes; }
            } 
            public override MethodImplAttributes GetMethodImplementationFlags()
            { 
                return this.ctorInfo.GetMethodImplementationFlags(); 
            }
            public override ParameterInfo[]  GetParameters() 
            {
                if (this.wrappedParameters == null)
                {
                    List parameters = new List(); 
                    foreach (ParameterInfo parameter in this.ctorInfo.GetParameters())
                        parameters.Add(new RTParameterInfoWrapper(this.rtTypeWrapper, this.ctorInfo, parameter)); 
                    this.wrappedParameters = parameters.ToArray(); 
                }
                return this.wrappedParameters; 
            }
            public override object  Invoke(object obj, BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture)
            {
				return this.ctorInfo.Invoke(obj, invokeAttr, binder, parameters, culture); 
			}
            public override RuntimeMethodHandle  MethodHandle 
            { 
                get { return this.ctorInfo.MethodHandle; }
            } 
            public override Type  DeclaringType
            {
	            get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.ctorInfo.DeclaringType); }
            } 
            public override object[]  GetCustomAttributes(Type attributeType, bool inherit)
            { 
                return this.ctorInfo.GetCustomAttributes(attributeType, inherit); 
            }
            public override object[]  GetCustomAttributes(bool inherit) 
            {
                return this.ctorInfo.GetCustomAttributes(inherit);
            }
            public override bool  IsDefined(Type attributeType, bool inherit) 
            {
                return this.ctorInfo.IsDefined(attributeType, inherit); 
            } 
            public override MemberTypes  MemberType
            { 
                get { return this.ctorInfo.MemberType; }
            }
            public override string  Name
            { 
                get { return this.ctorInfo.Name; }
            } 
            public override Type ReflectedType 
            {
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.ctorInfo.ReflectedType); } 
            }
        }

        #endregion 

        #region FieldInfo Wrapper 
 
        private class RTFieldInfoWrapper : FieldInfo
        { 
            private RTTypeWrapper   rtTypeWrapper   = null;
            private FieldInfo       fieldInfo       = null;
            public RTFieldInfoWrapper(RTTypeWrapper rtTypeWrapper, FieldInfo fieldInfo)
            { 
                this.rtTypeWrapper = rtTypeWrapper;
                this.fieldInfo = fieldInfo; 
            } 
            public override int MetadataToken
            { 
                get { return this.fieldInfo.MetadataToken; }
            }
            public override Module Module
            { 
                get { return this.fieldInfo.Module; }
            } 
            public override FieldAttributes Attributes 
            {
                get { return this.fieldInfo.Attributes; } 
            }
            public override RuntimeFieldHandle FieldHandle
            {
                get { return this.fieldInfo.FieldHandle; } 
            }
            public override Type FieldType 
            { 
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.fieldInfo.FieldType); }
            } 
            public override object GetValue(object obj)
            {
 				return this.fieldInfo.GetValue(obj);
			} 
            public override void SetValue(object obj, object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
            { 
 				this.fieldInfo.SetValue(obj, value, invokeAttr, binder, culture); 
 			}
            public override Type DeclaringType 
            {
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.fieldInfo.DeclaringType); }
            }
            public override object[] GetCustomAttributes(Type attributeType, bool inherit) 
            {
                return this.fieldInfo.GetCustomAttributes(attributeType, inherit); 
            } 
            public override object[] GetCustomAttributes(bool inherit)
            { 
                return this.fieldInfo.GetCustomAttributes(inherit);
            }
            public override bool IsDefined(Type attributeType, bool inherit)
            { 
                return this.fieldInfo.IsDefined(attributeType, inherit);
            } 
            public override MemberTypes MemberType 
            {
                get { return this.fieldInfo.MemberType; } 
            }
            public override string Name
            {
                get { return this.fieldInfo.Name; } 
            }
            public override Type ReflectedType 
            { 
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.fieldInfo.ReflectedType); }
            } 
        }

        #endregion
 
        #region PropertyInfo Wrapper
 
        private class RTPropertyInfoWrapper : PropertyInfo 
        {
            private PropertyInfo    propertyInfo    = null; 
            private RTTypeWrapper   rtTypeWrapper   = null;
            private ParameterInfo[] wrappedParameters = null;
            public RTPropertyInfoWrapper(RTTypeWrapper rtTypeWrapper, PropertyInfo propertyInfo)
            { 
                this.rtTypeWrapper = rtTypeWrapper;
                this.propertyInfo = propertyInfo; 
            } 

            public override PropertyAttributes Attributes 
            {
                get { return this.propertyInfo.Attributes; }
            }
 
            public override bool CanRead
            { 
                get { return this.propertyInfo.CanRead; } 
            }
 
            public override bool CanWrite
            {
                get { return this.propertyInfo.CanWrite; }
            } 
            public override MethodInfo[] GetAccessors(bool nonPublic)
            { 
                List methods = new List(); 
                foreach(MethodInfo methodInfo in this.propertyInfo.GetAccessors(nonPublic))
                    methods.Add(this.rtTypeWrapper.EnsureMethodWrapped(methodInfo)); 
                return methods.ToArray();
            }
            public override MethodInfo GetGetMethod(bool nonPublic)
            { 
                MethodInfo methodInfo = this.propertyInfo.GetGetMethod(nonPublic);
                if (methodInfo == null) 
                    return null; 
                return this.rtTypeWrapper.EnsureMethodWrapped(methodInfo);
            } 
            public override ParameterInfo[] GetIndexParameters()
            {
                if (this.wrappedParameters == null)
                { 
                    List parameters = new List();
                    foreach (ParameterInfo parameter in this.propertyInfo.GetIndexParameters()) 
                        parameters.Add(new RTParameterInfoWrapper(this.rtTypeWrapper, this.propertyInfo, parameter)); 
                    this.wrappedParameters = parameters.ToArray();
                } 
                return this.wrappedParameters;
            }
            public override MethodInfo GetSetMethod(bool nonPublic)
            { 
                MethodInfo methodInfo = this.propertyInfo.GetSetMethod(nonPublic);
                if (methodInfo == null) 
                    return null; 
                return this.rtTypeWrapper.EnsureMethodWrapped(methodInfo);
            } 
            public override object GetValue(object obj, BindingFlags invokeAttr, Binder binder, object[] index, CultureInfo culture)
            {
				return this.propertyInfo.GetValue(obj, invokeAttr, binder, index, culture);
 			} 
            public override Type PropertyType
            { 
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.propertyInfo.PropertyType); } 
            }
            public override void SetValue(object obj, object value, BindingFlags invokeAttr, Binder binder, object[] index, CultureInfo culture) 
            {
				this.propertyInfo.SetValue(obj, value, invokeAttr, binder, index, culture);
			}
            public override Type DeclaringType 
            {
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.propertyInfo.DeclaringType); } 
            } 
            public override object[] GetCustomAttributes(Type attributeType, bool inherit)
            { 
                return this.propertyInfo.GetCustomAttributes(attributeType, inherit);
            }
            public override object[] GetCustomAttributes(bool inherit)
            { 
                return this.propertyInfo.GetCustomAttributes(inherit);
            } 
            public override bool IsDefined(Type attributeType, bool inherit) 
            {
                return this.propertyInfo.IsDefined(attributeType, inherit); 
            }
            public override MemberTypes MemberType
            {
                get { return this.propertyInfo.MemberType; } 
            }
            public override string Name 
            { 
                get { return this.propertyInfo.Name; }
            } 
            public override Type ReflectedType
            {
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.propertyInfo.ReflectedType); }
            } 
            public override int MetadataToken
            { 
                get { return this.propertyInfo.MetadataToken; } 
            }
 
            public override Module Module
            {
                get { return this.propertyInfo.Module ; }
            } 
        }
 
        #endregion 

        #region MethodInfo Wrapper 

        private class RTMethodInfoWrapper : MethodInfo
        {
            private MethodInfo      methodInfo      = null; 
            private RTTypeWrapper   rtTypeWrapper   = null;
            private ParameterInfo[] wrappedParameters = null; 
            public RTMethodInfoWrapper(RTTypeWrapper rtTypeWrapper, MethodInfo methodInfo) 
            {
                this.rtTypeWrapper = rtTypeWrapper; 
                this.methodInfo = methodInfo;
            }
            public override Module Module
            { 
                get { return this.methodInfo.Module; }
            } 
            public override MethodBody GetMethodBody() 
            {
                return this.methodInfo.GetMethodBody(); 
            }
            public override int MetadataToken
            {
                get { return this.methodInfo.MetadataToken; } 
            }
            public override CallingConventions CallingConvention 
            { 
                get { return this.methodInfo.CallingConvention; }
            } 
            public override ParameterInfo ReturnParameter
            {
                get { return new RTParameterInfoWrapper(this.rtTypeWrapper, this, this.methodInfo.ReturnParameter); }
            } 
            public override MethodInfo GetBaseDefinition()
            { 
                return this.methodInfo.GetBaseDefinition(); 
            }
            public override Type ReturnType 
            {
                get
                {
                    return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.methodInfo.ReturnType); 
                }
            } 
            public override ICustomAttributeProvider ReturnTypeCustomAttributes 
            {
                get { return this.methodInfo.ReturnTypeCustomAttributes; } 
            }
            public override MethodAttributes Attributes
            {
                get { return this.methodInfo.Attributes; } 
            }
            public override MethodImplAttributes GetMethodImplementationFlags() 
            { 
                return this.methodInfo.GetMethodImplementationFlags();
            } 
            public override ParameterInfo[] GetParameters()
            {
                if (this.wrappedParameters == null)
                { 
                    List parameters = new List();
                    foreach (ParameterInfo parameter in this.methodInfo.GetParameters()) 
                        parameters.Add(new RTParameterInfoWrapper(this.rtTypeWrapper, this.methodInfo, parameter)); 
                    this.wrappedParameters = parameters.ToArray();
                } 
                return this.wrappedParameters;
            }
            public override object Invoke(object obj, BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture)
            { 
				return this.methodInfo.Invoke(obj, invokeAttr, binder, parameters, culture);
            } 
            public override RuntimeMethodHandle MethodHandle 
            {
                get { return this.methodInfo.MethodHandle; } 
            }

            public override Type DeclaringType
            { 
                get
                { 
                    return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.methodInfo.DeclaringType); 
                }
            } 
            public override object[] GetCustomAttributes(Type attributeType, bool inherit)
            {
                return this.methodInfo.GetCustomAttributes(attributeType, inherit);
            } 
            public override object[] GetCustomAttributes(bool inherit)
            { 
                return this.methodInfo.GetCustomAttributes(inherit); 
            }
            public override bool IsDefined(Type attributeType, bool inherit) 
            {
                return this.methodInfo.IsDefined(attributeType, inherit);
            }
            public override MemberTypes MemberType 
            {
                get { return this.methodInfo.MemberType; } 
            } 
            public override string Name
            { 
                get { return this.methodInfo.Name; }
            }
            public override Type ReflectedType
            { 
                get
                { 
                    return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.methodInfo.ReflectedType); 
                }
            } 
        }

        #endregion
 
        #region EventInfo Wrapper
 
        private class RTEventInfoWrapper : EventInfo 
        {
            private RTTypeWrapper   rtTypeWrapper = null; 
            private EventInfo       eventInfo       = null;
            public RTEventInfoWrapper(RTTypeWrapper rtTypeWrapper, EventInfo eventInfo)
            {
                this.rtTypeWrapper = rtTypeWrapper; 
                this.eventInfo = eventInfo;
            } 
            public override EventAttributes Attributes 
            {
                get { return this.eventInfo.Attributes; } 
            }
            public override MethodInfo GetAddMethod(bool nonPublic)
            {
                MethodInfo methodInfo = this.eventInfo.GetAddMethod(nonPublic); 
                if (methodInfo == null)
                    return null; 
                return this.rtTypeWrapper.EnsureMethodWrapped(methodInfo); 
            }
            public override MethodInfo GetRaiseMethod(bool nonPublic) 
            {
                MethodInfo methodInfo = this.eventInfo.GetRaiseMethod(nonPublic);
                if (methodInfo == null)
                    return null; 
                return this.rtTypeWrapper.EnsureMethodWrapped(methodInfo);
            } 
            public override MethodInfo GetRemoveMethod(bool nonPublic) 
            {
                MethodInfo methodInfo = this.eventInfo.GetRemoveMethod(nonPublic); 
                if (methodInfo == null)
                    return null;
                return this.rtTypeWrapper.EnsureMethodWrapped(methodInfo);
            } 
            public override Type DeclaringType
            { 
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.eventInfo.DeclaringType); } 
            }
            public override object[] GetCustomAttributes(Type attributeType, bool inherit) 
            {
                return this.eventInfo.GetCustomAttributes(attributeType, inherit);
            }
            public override object[] GetCustomAttributes(bool inherit) 
            {
                return this.eventInfo.GetCustomAttributes(inherit); 
            } 
            public override bool IsDefined(Type attributeType, bool inherit)
            { 
                return this.eventInfo.IsDefined(attributeType, inherit);
            }
            public override MemberTypes MemberType
            { 
                get { return this.eventInfo.MemberType; }
            } 
            public override string Name 
            {
                get { return this.eventInfo.Name; } 
            }
            public override Type ReflectedType
            {
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.eventInfo.ReflectedType); } 
            }
 
            public override int MetadataToken 
            {
                get { return this.eventInfo.MetadataToken; } 
            }
            public override Module Module
            {
                get { return this.eventInfo.Module; } 
            }
        } 
 
        #endregion
 
        #region ParameterInfo wrapper

        private class RTParameterInfoWrapper : ParameterInfo
        { 
            private RTTypeWrapper rtTypeWrapper = null;
            private ParameterInfo paramInfo = null; 
            private MemberInfo parentMember = null; 

            public RTParameterInfoWrapper(RTTypeWrapper rtTypeWrapper, MemberInfo parentMember, ParameterInfo paramInfo) 
            {
                this.parentMember = parentMember;
                this.rtTypeWrapper = rtTypeWrapper;
                this.paramInfo = paramInfo; 
            }
            public override ParameterAttributes Attributes 
            { 
                get { return this.paramInfo.Attributes; }
            } 
            public override object[] GetCustomAttributes(bool inherit)
            {
                return this.paramInfo.GetCustomAttributes(inherit);
            } 
            public override bool IsDefined(Type attributeType, bool inherit)
            { 
                return this.paramInfo.IsDefined(attributeType, inherit); 
            }
            public override MemberInfo Member 
            {
                get { return this.parentMember; }
            }
            public override Type[] GetOptionalCustomModifiers() 
            {
 				return this.paramInfo.GetOptionalCustomModifiers(); 
            } 
            public override string Name
            { 
                get { return this.paramInfo.Name; }
            }
            public override Type ParameterType
            { 
                get { return this.rtTypeWrapper.ResolveTypeFromTypeSystem(this.paramInfo.ParameterType); }
            } 
            public override int Position 
            {
                get { return this.paramInfo.Position; } 
            }
            public override Type[] GetRequiredCustomModifiers()
            {
				return this.paramInfo.GetRequiredCustomModifiers(); 
            }
            public override object DefaultValue 
            { 
                get
                { 
#pragma warning suppress 56503
                    throw new global::System.NotImplementedException();
                }
            } 
        }
        #endregion 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

                        

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