TargetControlTypeAttribute.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / Orcas / RTM / ndp / fx / src / xsp / System / Web / Extensions / ui / TargetControlTypeAttribute.cs / 1 / TargetControlTypeAttribute.cs
                        

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

namespace System.Web.UI { 
    using System; 
    using System.Diagnostics.CodeAnalysis;
    using System.Security.Permissions; 
    using System.Web;

    [
    AspNetHostingPermission(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal), 
    AttributeUsage(AttributeTargets.Class, AllowMultiple = true)
    ] 
    public sealed class TargetControlTypeAttribute : Attribute { 
        private Type _targetControlType;
 
        public TargetControlTypeAttribute(Type targetControlType) {
            if (targetControlType == null) {
                throw new ArgumentNullException("targetControlType");
            } 
            _targetControlType = targetControlType;
        } 
 
        public Type TargetControlType {
            get { 
                return _targetControlType;
            }
        }
 
        // For attributes with AllowMultiple set to true, TypeDescriptor.GetAttributes() removes duplicate instances.
        // These are instances in which TypeId returns equal values.  So we must override the TypeId property to 
        // return a unique key.  For this attribute, the unique key is just the target control type itself. 
        // (DevDiv Bugs 111475)
        [SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase")] 
        public override object TypeId {
            get {
                return _targetControlType;
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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