88 lines
2.9 KiB
C#
88 lines
2.9 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="ProvidePropertyAttribute.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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/*
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*/
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namespace System.ComponentModel {
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using System;
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using System.Diagnostics;
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using System.Security.Permissions;
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/// <devdoc>
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/// <para> Specifies which methods are extender
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/// properties.</para>
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/// </devdoc>
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[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
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public sealed class ProvidePropertyAttribute : Attribute {
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private readonly string propertyName;
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private readonly string receiverTypeName;
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/// <devdoc>
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/// <para>Initializes a new instance of the <see cref='System.ComponentModel.ProvidePropertyAttribute'/> class.</para>
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/// </devdoc>
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public ProvidePropertyAttribute(string propertyName, Type receiverType) {
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this.propertyName = propertyName;
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this.receiverTypeName = receiverType.AssemblyQualifiedName;
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}
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/// <devdoc>
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/// <para>Initializes a new instance of the <see cref='System.ComponentModel.ProvidePropertyAttribute'/> class.</para>
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/// </devdoc>
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public ProvidePropertyAttribute(string propertyName, string receiverTypeName) {
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this.propertyName = propertyName;
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this.receiverTypeName = receiverTypeName;
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}
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/// <devdoc>
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/// <para>
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/// Gets the name of a property that this class provides.
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/// </para>
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/// </devdoc>
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public string PropertyName {
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get {
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return propertyName;
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}
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}
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/// <devdoc>
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/// <para>
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/// Gets the name of the data type this property can extend
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/// </para>
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/// </devdoc>
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public string ReceiverTypeName {
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get {
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return receiverTypeName;
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}
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}
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/// <devdoc>
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/// <para>ProvidePropertyAttribute overrides this to include the type name and the property name</para>
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/// </devdoc>
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public override object TypeId {
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get {
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return GetType().FullName + propertyName;
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}
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}
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public override bool Equals(object obj) {
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if (obj == this) {
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return true;
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}
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ProvidePropertyAttribute other = obj as ProvidePropertyAttribute;
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return (other != null) && other.propertyName == propertyName && other.receiverTypeName == receiverTypeName;
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}
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public override int GetHashCode() {
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return propertyName.GetHashCode() ^ receiverTypeName.GetHashCode();
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}
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}
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}
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