95 lines
3.0 KiB
C#
95 lines
3.0 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="ExtenderProvidedPropertyAttribute.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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/// <internalonly/>
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/// <devdoc>
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/// <para>
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/// ExtenderProvidedPropertyAttribute is an attribute that marks that a property
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/// was actually offered up by and extender provider.
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/// </para>
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/// </devdoc>
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[AttributeUsage(AttributeTargets.All)]
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public sealed class ExtenderProvidedPropertyAttribute : Attribute {
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private PropertyDescriptor extenderProperty;
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private IExtenderProvider provider;
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private Type receiverType;
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/// <devdoc>
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/// Creates a new ExtenderProvidedPropertyAttribute.
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/// </devdoc>
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internal static ExtenderProvidedPropertyAttribute Create(PropertyDescriptor extenderProperty, Type receiverType, IExtenderProvider provider) {
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ExtenderProvidedPropertyAttribute e = new ExtenderProvidedPropertyAttribute();
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e.extenderProperty = extenderProperty;
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e.receiverType = receiverType;
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e.provider = provider;
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return e;
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}
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/// <devdoc>
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/// Creates an empty ExtenderProvidedPropertyAttribute.
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/// </devdoc>
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public ExtenderProvidedPropertyAttribute() {
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}
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/// <devdoc>
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/// PropertyDescriptor of the property that is being provided.
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/// </devdoc>
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public PropertyDescriptor ExtenderProperty {
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get {
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return extenderProperty;
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}
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}
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/// <devdoc>
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/// Extender provider that is providing the property.
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/// </devdoc>
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public IExtenderProvider Provider {
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get {
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return provider;
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}
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}
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/// <devdoc>
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/// The type of object that can receive these properties.
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/// </devdoc>
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public Type ReceiverType {
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get {
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return receiverType;
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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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ExtenderProvidedPropertyAttribute other = obj as ExtenderProvidedPropertyAttribute;
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return (other != null) && other.extenderProperty.Equals(extenderProperty) && other.provider.Equals(provider) && other.receiverType.Equals(receiverType);
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}
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public override int GetHashCode() {
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return base.GetHashCode();
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}
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/// <internalonly/>
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/// <devdoc>
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/// </devdoc>
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public override bool IsDefaultAttribute() {
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return receiverType == null;
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}
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}
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}
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