102 lines
3.6 KiB
C#
102 lines
3.6 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="MergablePropertyAttribute.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.ComponentModel;
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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 that
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/// this property can be combined with properties belonging to
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/// other objects in a properties window.</para>
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/// </devdoc>
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[AttributeUsage(AttributeTargets.All)]
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public sealed class MergablePropertyAttribute : Attribute {
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/// <devdoc>
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/// <para>
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/// Specifies that a property can be combined with properties belonging to other
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/// objects in a properties window. This <see langword='static '/>field is read-only.
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/// </para>
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/// </devdoc>
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public static readonly MergablePropertyAttribute Yes = new MergablePropertyAttribute(true);
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/// <devdoc>
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/// <para>
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/// Specifies that a property cannot be combined with properties belonging to
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/// other objects in a properties window. This <see langword='static '/>field is
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/// read-only.
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/// </para>
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/// </devdoc>
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public static readonly MergablePropertyAttribute No = new MergablePropertyAttribute(false);
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/// <devdoc>
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/// <para>
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/// Specifies the default value, which is <see cref='System.ComponentModel.MergablePropertyAttribute.Yes'/>, that is a property can be combined with
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/// properties belonging to other objects in a properties window. This <see langword='static '/>field is read-only.
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/// </para>
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/// </devdoc>
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public static readonly MergablePropertyAttribute Default = Yes;
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private bool allowMerge;
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/// <devdoc>
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/// <para>
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/// Initializes a new instance of the <see cref='System.ComponentModel.MergablePropertyAttribute'/>
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/// class.
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/// </para>
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/// </devdoc>
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public MergablePropertyAttribute(bool allowMerge) {
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this.allowMerge = allowMerge;
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}
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/// <devdoc>
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/// <para>
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/// Gets a value indicating whether this
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/// property can be combined with properties belonging to other objects in a
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/// properties window.
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/// </para>
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/// </devdoc>
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public bool AllowMerge {
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get {
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return allowMerge;
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}
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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 Equals(object obj) {
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if (obj == this) {
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return true;
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}
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MergablePropertyAttribute other = obj as MergablePropertyAttribute;
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return other != null && other.AllowMerge == this.allowMerge;
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}
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/// <devdoc>
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/// <para>
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/// Returns the hashcode for this object.
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/// </para>
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/// </devdoc>
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public override int GetHashCode() {
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return base.GetHashCode();
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}
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/// <devdoc>
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/// </devdoc>
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/// <internalonly/>
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public override bool IsDefaultAttribute() {
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return (this.Equals(Default));
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}
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}
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}
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