ParameterBuilder.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Reflection / Emit / ParameterBuilder.cs / 1305376 / ParameterBuilder.cs

                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  ParameterBuilder 
**
** [....] 
**
**
** ParameterBuilder is used to create/associate parameter information
** 
**
===========================================================*/ 
namespace System.Reflection.Emit { 
    using System.Runtime.InteropServices;
    using System; 
    using System.Reflection;
    using System.Security.Permissions;
    using System.Diagnostics.Contracts;
 
    [ClassInterface(ClassInterfaceType.None)]
    [ComDefaultInterface(typeof(_ParameterBuilder))] 
[System.Runtime.InteropServices.ComVisible(true)] 
    public class ParameterBuilder : _ParameterBuilder
    { 
        // set ParamMarshal
        [System.Security.SecuritySafeCritical]  // auto-generated
        [Obsolete("An alternate API is available: Emit the MarshalAs custom attribute instead. http://go.microsoft.com/fwlink/?linkid=14202")]
        public virtual void SetMarshal(UnmanagedMarshal unmanagedMarshal) 
        {
            if (unmanagedMarshal == null) 
            { 
                throw new ArgumentNullException("unmanagedMarshal");
            } 
            Contract.EndContractBlock();

            byte []        ubMarshal = unmanagedMarshal.InternalGetBytes();
            TypeBuilder.SetFieldMarshal( 
                m_methodBuilder.GetModuleBuilder().GetNativeHandle(),
                m_pdToken.Token, 
                ubMarshal, 
                ubMarshal.Length);
        } 

        // Set the default value of the parameter
        [System.Security.SecuritySafeCritical]  // auto-generated
        public virtual void SetConstant(Object defaultValue) 
        {
            TypeBuilder.SetConstantValue( 
                m_methodBuilder.GetModuleBuilder(), 
                m_pdToken.Token,
                m_iPosition == 0 ? m_methodBuilder.ReturnType : m_methodBuilder.m_parameterTypes[m_iPosition - 1], 
                defaultValue);
        }

        // Use this function if client decides to form the custom attribute blob themselves 
[System.Security.SecuritySafeCritical]  // auto-generated
[System.Runtime.InteropServices.ComVisible(true)] 
        public void SetCustomAttribute(ConstructorInfo con, byte[] binaryAttribute) 
        {
            if (con == null) 
                throw new ArgumentNullException("con");
            if (binaryAttribute == null)
                throw new ArgumentNullException("binaryAttribute");
            Contract.EndContractBlock(); 

            TypeBuilder.DefineCustomAttribute( 
                m_methodBuilder.GetModuleBuilder(), 
                m_pdToken.Token,
                ((ModuleBuilder )m_methodBuilder.GetModule()).GetConstructorToken(con).Token, 
                binaryAttribute,
                false, false);
        }
 
        // Use this function if client wishes to build CustomAttribute using CustomAttributeBuilder
        [System.Security.SecuritySafeCritical]  // auto-generated 
        public void SetCustomAttribute(CustomAttributeBuilder customBuilder) 
        {
            if (customBuilder == null) 
            {
                throw new ArgumentNullException("customBuilder");
            }
            Contract.EndContractBlock(); 
            customBuilder.CreateCustomAttribute((ModuleBuilder) (m_methodBuilder .GetModule()), m_pdToken.Token);
        } 
 
        //*******************************
        // Make a private constructor so these cannot be constructed externally. 
        //*******************************
        private ParameterBuilder() {}

 
        [System.Security.SecurityCritical]  // auto-generated
        internal ParameterBuilder( 
            MethodBuilder   methodBuilder, 
            int             sequence,
            ParameterAttributes attributes, 
            String             strParamName)            // can be NULL string
        {
            m_iPosition = sequence;
            m_strParamName = strParamName; 
            m_methodBuilder = methodBuilder;
            m_strParamName = strParamName; 
            m_attributes = attributes; 
            m_pdToken = new ParameterToken( TypeBuilder.SetParamInfo(
                        m_methodBuilder.GetModuleBuilder().GetNativeHandle(), 
                        m_methodBuilder.GetToken().Token,
                        sequence,
                        attributes,
                        strParamName)); 
        }
 
        public virtual ParameterToken GetToken() 
        {
            return m_pdToken; 
        }

        void _ParameterBuilder.GetTypeInfoCount(out uint pcTInfo)
        { 
            throw new NotImplementedException();
        } 
 
        void _ParameterBuilder.GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo)
        { 
            throw new NotImplementedException();
        }

        void _ParameterBuilder.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId) 
        {
            throw new NotImplementedException(); 
        } 

        void _ParameterBuilder.Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr) 
        {
            throw new NotImplementedException();
        }
 
        internal int MetadataTokenInternal { get { return m_pdToken.Token; } }
 
        public virtual String Name { 
            get {return m_strParamName;}
        } 

        public virtual int Position {
            get {return m_iPosition;}
        } 

        // < 
        public virtual int Attributes { 
            get {return (int) m_attributes;}
        } 

        public bool IsIn {
            get {return ((m_attributes & ParameterAttributes.In) != 0);}
        } 
        public bool IsOut {
            get {return ((m_attributes & ParameterAttributes.Out) != 0);} 
        } 
        public bool IsOptional {
            get {return ((m_attributes & ParameterAttributes.Optional) != 0);} 
        }

        private String              m_strParamName;
        private int                 m_iPosition; 
        private ParameterAttributes m_attributes;
        private MethodBuilder       m_methodBuilder; 
        private ParameterToken      m_pdToken; 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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