50 lines
1.8 KiB
C#
50 lines
1.8 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="SupportsEventValidation.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.Web.UI {
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using System;
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using System.Collections;
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using System.ComponentModel;
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using System.Diagnostics;
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/// <devdoc>
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/// <para></para>
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/// </devdoc>
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[AttributeUsage(AttributeTargets.Class, AllowMultiple=false)]
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public sealed class SupportsEventValidationAttribute : Attribute {
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private static Hashtable _typesSupportsEventValidation;
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static SupportsEventValidationAttribute() {
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// Create a synchronized wrapper
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_typesSupportsEventValidation = Hashtable.Synchronized(new Hashtable());
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}
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public SupportsEventValidationAttribute() {
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}
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internal static bool SupportsEventValidation(Type type) {
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object result = _typesSupportsEventValidation[type];
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if (result != null) {
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return (bool)result;
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}
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// Check the attributes on the type to see if it supports SupportsEventValidationAttribute
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// Note that this attribute does not inherit from the base class, since derived classes may
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// not be able to validate properly.
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object[] attribs = type.GetCustomAttributes(typeof(SupportsEventValidationAttribute), false /* inherits */);
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bool supportsEventValidation = ((attribs != null) && (attribs.Length > 0));
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_typesSupportsEventValidation[type] = supportsEventValidation;
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return supportsEventValidation;
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}
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}
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}
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