LicenseProviderAttribute.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / CompMod / System / ComponentModel / LicenseProviderAttribute.cs / 1 / LicenseProviderAttribute.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.ComponentModel { 
 
    using System;
    using System.Security.Permissions; 

    /// 
    /// Specifies the 
    /// to use with a class. 
    /// 
    [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)] 
    public sealed class LicenseProviderAttribute : Attribute { 

        ///  
        ///    
        ///       Specifies the default value, which is no provider. This field is read-only.
        ///    
        ///  
        public static readonly LicenseProviderAttribute Default = new LicenseProviderAttribute();
 
        private Type licenseProviderType = null; 
        private string licenseProviderName = null;
 
        /// 
        /// Initializes a new instance of the  class without a license
        ///    provider.
        ///  
        public LicenseProviderAttribute() : this((string)null) {
        } 
 
        /// 
        ///     
        ///       Initializes a new instance of the  class with
        ///       the specified type.
        ///    
        ///  
        public LicenseProviderAttribute(string typeName) {
            licenseProviderName = typeName; 
        } 

        ///  
        ///    
        ///       Initializes a new instance of the  class with
        ///       the specified type of license provider.
        ///     
        /// 
        public LicenseProviderAttribute(Type type) { 
            licenseProviderType = type; 
        }
 
        /// 
        ///    Gets the license provider to use with the associated class.
        /// 
        public Type LicenseProvider { 
            // SECREVIEW: Remove this attribute once bug#411910 is fixed.
            [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2113:SecureLateBindingMethods")] 
            get { 
                if (licenseProviderType == null && licenseProviderName != null) {
                    licenseProviderType = Type.GetType(licenseProviderName); 
                }
                return licenseProviderType;
            }
        } 

        ///  
        ///  
        ///    
        ///       This defines a unique ID for this attribute type. It is used 
        ///       by filtering algorithms to identify two attributes that are
        ///       the same type. For most attributes, this just returns the
        ///       Type instance for the attribute. LicenseProviderAttribute overrides this to include the type name and the
        ///       provider type name. 
        ///    
        ///  
        public override object TypeId { 
            get {
                string typeName = licenseProviderName; 

                if (typeName == null && licenseProviderType != null) {
                    typeName = licenseProviderType.FullName;
                } 
                return GetType().FullName + typeName;
            } 
        } 

        ///  
        /// 
        /// 
        public override bool Equals(object value) {
            if (value is LicenseProviderAttribute && value != null) { 
                Type type = ((LicenseProviderAttribute)value).LicenseProvider;
                if (type == LicenseProvider) { 
                    return true; 
                }
                else { 
                    if (type != null && type.Equals(LicenseProvider)) {
                        return true;
                    }
                } 
            }
 
            return false; 
        }
 
        /// 
        ///    
        ///       Returns the hashcode for this object.
        ///     
        /// 
        public override int GetHashCode() { 
            return base.GetHashCode(); 
        }
 
    }
}

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

namespace System.ComponentModel { 
 
    using System;
    using System.Security.Permissions; 

    /// 
    /// Specifies the 
    /// to use with a class. 
    /// 
    [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)] 
    public sealed class LicenseProviderAttribute : Attribute { 

        ///  
        ///    
        ///       Specifies the default value, which is no provider. This field is read-only.
        ///    
        ///  
        public static readonly LicenseProviderAttribute Default = new LicenseProviderAttribute();
 
        private Type licenseProviderType = null; 
        private string licenseProviderName = null;
 
        /// 
        /// Initializes a new instance of the  class without a license
        ///    provider.
        ///  
        public LicenseProviderAttribute() : this((string)null) {
        } 
 
        /// 
        ///     
        ///       Initializes a new instance of the  class with
        ///       the specified type.
        ///    
        ///  
        public LicenseProviderAttribute(string typeName) {
            licenseProviderName = typeName; 
        } 

        ///  
        ///    
        ///       Initializes a new instance of the  class with
        ///       the specified type of license provider.
        ///     
        /// 
        public LicenseProviderAttribute(Type type) { 
            licenseProviderType = type; 
        }
 
        /// 
        ///    Gets the license provider to use with the associated class.
        /// 
        public Type LicenseProvider { 
            // SECREVIEW: Remove this attribute once bug#411910 is fixed.
            [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2113:SecureLateBindingMethods")] 
            get { 
                if (licenseProviderType == null && licenseProviderName != null) {
                    licenseProviderType = Type.GetType(licenseProviderName); 
                }
                return licenseProviderType;
            }
        } 

        ///  
        ///  
        ///    
        ///       This defines a unique ID for this attribute type. It is used 
        ///       by filtering algorithms to identify two attributes that are
        ///       the same type. For most attributes, this just returns the
        ///       Type instance for the attribute. LicenseProviderAttribute overrides this to include the type name and the
        ///       provider type name. 
        ///    
        ///  
        public override object TypeId { 
            get {
                string typeName = licenseProviderName; 

                if (typeName == null && licenseProviderType != null) {
                    typeName = licenseProviderType.FullName;
                } 
                return GetType().FullName + typeName;
            } 
        } 

        ///  
        /// 
        /// 
        public override bool Equals(object value) {
            if (value is LicenseProviderAttribute && value != null) { 
                Type type = ((LicenseProviderAttribute)value).LicenseProvider;
                if (type == LicenseProvider) { 
                    return true; 
                }
                else { 
                    if (type != null && type.Equals(LicenseProvider)) {
                        return true;
                    }
                } 
            }
 
            return false; 
        }
 
        /// 
        ///    
        ///       Returns the hashcode for this object.
        ///     
        /// 
        public override int GetHashCode() { 
            return base.GetHashCode(); 
        }
 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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LicenseProviderAttribute.cs source code in C# .NET

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