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