85 lines
2.6 KiB
C#
85 lines
2.6 KiB
C#
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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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/// Specifies that a object has no sub properties that are editable.
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/// </devdoc>
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[AttributeUsage(AttributeTargets.All)]
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public sealed class ImmutableObjectAttribute : Attribute {
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/// <devdoc>
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/// Specifies that a object has no sub properties that are editable.
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///
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/// This is usually used in the properties window to determine if an expandable object
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/// should be rendered as read-only.
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/// </devdoc>
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public static readonly ImmutableObjectAttribute Yes = new ImmutableObjectAttribute(true);
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/// <devdoc>
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/// Specifies that a object has at least one editable sub-property.
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///
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/// This is usually used in the properties window to determine if an expandable object
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/// should be rendered as read-only.
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/// </devdoc>
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public static readonly ImmutableObjectAttribute No = new ImmutableObjectAttribute(false);
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/// <devdoc>
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/// Defaults to ImmutableObjectAttribute.No
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/// </devdoc>
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public static readonly ImmutableObjectAttribute Default = No;
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private bool immutable = true;
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/// <devdoc>
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/// Constructs an ImmutableObjectAttribute object.
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///
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/// </devdoc>
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public ImmutableObjectAttribute(bool immutable) {
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this.immutable = immutable;
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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 bool Immutable {
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get {
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return immutable;
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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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ImmutableObjectAttribute other = obj as ImmutableObjectAttribute;
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return other != null && other.Immutable == this.immutable;
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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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/// <internalonly/>
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/// <devdoc>
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/// </devdoc>
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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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