UserInitiatedRoutedEventPermissionAttribute.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 / wpf / src / Base / MS / Internal / Permissions / UserInitiatedRoutedEventPermissionAttribute.cs / 1305600 / UserInitiatedRoutedEventPermissionAttribute.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
//--------------------------------------------------------------------------- 
 
using System;
using System.Security; 
using System.Security.Permissions;
using System.Windows;
using MS.Internal.Permissions;
 
namespace MS.Internal.Permissions
{ 
    // This permission attribute was defined in WindowsBase since it must be defined in 
    // a seperate assembly from where it is used (PresentationCore). The reason for this is explained
    // in the following connect article.  The MSDN documentation has yet to be updated: 
    // https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=297627
    [Serializable]
    [AttributeUsage(AttributeTargets.Method)]
    sealed internal class UserInitiatedRoutedEventPermissionAttribute : CodeAccessSecurityAttribute 
    {
        private static UserInitiatedRoutedEventPermission _perm; 
 
        public UserInitiatedRoutedEventPermissionAttribute(SecurityAction action): base(action)
        { 
        }

        public override IPermission CreatePermission()
        { 
            if (_perm == null)
            { 
                _perm = new UserInitiatedRoutedEventPermission(); 
            }
 
            return _perm;
        }
    }
} 

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

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