136 lines
4.9 KiB
C#
136 lines
4.9 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="ToolboxItemAttribute.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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// SECREVIEW: remove this attribute once bug#411883 is fixed.
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[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2113:SecureLateBindingMethods", Scope="member", Target="System.ComponentModel.ToolboxItemAttribute.get_ToolboxItemType():System.Type")]
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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.Globalization;
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using System.Security.Permissions;
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/// <devdoc>
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/// <para>
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/// Specifies attributes for a toolbox item.
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/// </para>
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/// </devdoc>
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[AttributeUsage(AttributeTargets.All)]
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public class ToolboxItemAttribute : Attribute {
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private Type toolboxItemType;
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private string toolboxItemTypeName;
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/// <devdoc>
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/// <para>
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/// Initializes a new instance of ToolboxItemAttribute and sets the type to
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/// IComponent.
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/// </para>
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/// </devdoc>
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public static readonly ToolboxItemAttribute Default = new ToolboxItemAttribute("System.Drawing.Design.ToolboxItem, " + AssemblyRef.SystemDrawing);
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/// <devdoc>
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/// <para>
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/// Initializes a new instance of ToolboxItemAttribute and sets the type to
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/// <see langword='null'/>.
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/// </para>
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/// </devdoc>
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public static readonly ToolboxItemAttribute None = new ToolboxItemAttribute(false);
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/// <devdoc>
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/// <para>
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/// Gets whether the attribute is the default attribute.
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/// </para>
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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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/// <devdoc>
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/// <para>
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/// Initializes a new instance of ToolboxItemAttribute and
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/// specifies if default values should be used.
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/// </para>
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/// </devdoc>
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public ToolboxItemAttribute(bool defaultType) {
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if (defaultType) {
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toolboxItemTypeName = "System.Drawing.Design.ToolboxItem, " + AssemblyRef.SystemDrawing;
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}
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}
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/// <devdoc>
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/// <para>
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/// Initializes a new instance of ToolboxItemAttribute and
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/// specifies the name of the type.
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/// </para>
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/// </devdoc>
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public ToolboxItemAttribute(string toolboxItemTypeName) {
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string temp = toolboxItemTypeName.ToUpper(CultureInfo.InvariantCulture);
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Debug.Assert(temp.IndexOf(".DLL") == -1, "Came across: " + toolboxItemTypeName + " . Please remove the .dll extension");
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this.toolboxItemTypeName = toolboxItemTypeName;
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}
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/// <devdoc>
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/// <para>
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/// Initializes a new instance of ToolboxItemAttribute and
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/// specifies the type of the toolbox item.
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/// </para>
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/// </devdoc>
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public ToolboxItemAttribute(Type toolboxItemType) {
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this.toolboxItemType = toolboxItemType;
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this.toolboxItemTypeName = toolboxItemType.AssemblyQualifiedName;
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}
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/// <devdoc>
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/// <para>
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/// Gets the toolbox item's type.
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/// </para>
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/// </devdoc>
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public Type ToolboxItemType {
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get{
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if (toolboxItemType == null) {
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if (toolboxItemTypeName != null) {
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try {
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toolboxItemType = Type.GetType(toolboxItemTypeName, true);
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}
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catch (Exception ex) {
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throw new ArgumentException(SR.GetString(SR.ToolboxItemAttributeFailedGetType, toolboxItemTypeName), ex);
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}
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}
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}
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return toolboxItemType;
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}
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}
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public string ToolboxItemTypeName {
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get {
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if (toolboxItemTypeName == null) {
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return String.Empty;
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}
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return toolboxItemTypeName;
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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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ToolboxItemAttribute other = obj as ToolboxItemAttribute;
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return (other != null) && (other.ToolboxItemTypeName == ToolboxItemTypeName);
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}
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public override int GetHashCode() {
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if (toolboxItemTypeName != null) {
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return toolboxItemTypeName.GetHashCode();
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}
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return base.GetHashCode();
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}
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}
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}
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