SupportsEventValidationAttribute.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / SupportsEventValidationAttribute.cs / 1305376 / SupportsEventValidationAttribute.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/* 
 */ 
namespace System.Web.UI {
 
    using System;
    using System.Collections;
    using System.ComponentModel;
    using System.Diagnostics; 

    ///  
    ///  
    /// 
    [AttributeUsage(AttributeTargets.Class, AllowMultiple=false)] 
    public sealed class SupportsEventValidationAttribute : Attribute {

        private static Hashtable _typesSupportsEventValidation;
 
        static SupportsEventValidationAttribute() {
            // Create a synchronized wrapper 
            _typesSupportsEventValidation = Hashtable.Synchronized(new Hashtable()); 
        }
 
        public SupportsEventValidationAttribute() {
        }

        internal static bool SupportsEventValidation(Type type) { 
            object result = _typesSupportsEventValidation[type];
            if (result != null) { 
                return (bool)result; 
            }
 
            // Check the attributes on the type to see if it supports SupportsEventValidationAttribute
            // Note that this attribute does not inherit from the base class, since derived classes may
            // not be able to validate properly.
            object[] attribs = type.GetCustomAttributes(typeof(SupportsEventValidationAttribute), false /* inherits */); 
            bool supportsEventValidation = ((attribs != null) && (attribs.Length > 0));
            _typesSupportsEventValidation[type] = supportsEventValidation; 
 
            return supportsEventValidation;
        } 
    }
}


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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