94 lines
3.1 KiB
C#
94 lines
3.1 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="DesignTimeVisibleAttribute.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.Security.Permissions;
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/// <devdoc>
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/// <para>
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/// DesignTimeVisibileAttribute marks a component's visibility. If
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/// DesignTimeVisibileAttribute.Yes is present, a visual designer can show
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/// this component on a designer.
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/// </para>
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/// </devdoc>
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[AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface)]
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public sealed class DesignTimeVisibleAttribute : Attribute {
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private bool visible;
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/// <devdoc>
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/// Creates a new DesignTimeVisibleAttribute with the visible
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/// property set to the given value.
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/// </devdoc>
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public DesignTimeVisibleAttribute(bool visible) {
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this.visible = visible;
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}
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/// <devdoc>
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/// Creates a new DesignTimeVisibleAttribute set to the default
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/// value of true.
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/// </devdoc>
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public DesignTimeVisibleAttribute() {
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}
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/// <devdoc>
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/// True if this component should be shown at design time, or false
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/// if it shouldn't.
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/// </devdoc>
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public bool Visible {
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get {
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return visible;
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}
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}
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/// <devdoc>
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/// Marks a component as visible in a visual designer.
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/// </devdoc>
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public static readonly DesignTimeVisibleAttribute Yes = new DesignTimeVisibleAttribute(true);
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/// <devdoc>
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/// Marks a component as not visible in a visual designer.
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/// </devdoc>
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public static readonly DesignTimeVisibleAttribute No = new DesignTimeVisibleAttribute(false);
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/// <devdoc>
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/// The default visiblity. (equal to Yes.)
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/// </devdoc>
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public static readonly DesignTimeVisibleAttribute Default = Yes;
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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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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DesignTimeVisibleAttribute other = obj as DesignTimeVisibleAttribute;
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return other != null && other.Visible == visible;
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}
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public override int GetHashCode() {
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return typeof(DesignTimeVisibleAttribute).GetHashCode() ^ (visible ? -1 : 0);
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}
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#if !SILVERLIGHT
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public override bool IsDefaultAttribute() {
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return (this.Visible == Default.Visible);
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}
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#endif
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}
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}
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