ConsoleCancelEventArgs.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 / clr / src / BCL / System / ConsoleCancelEventArgs.cs / 1305376 / ConsoleCancelEventArgs.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*==============================================================================
** 
** Class: ConsoleCancelEventArgs 
**
** 
** Purpose: This class provides support goop for hooking Control-C and
**          Control-Break, then preventing Control-C from interrupting the
**          process.
** 
**
=============================================================================*/ 
namespace System { 
    using System;
    using System.Diagnostics.Contracts; 

    public delegate void ConsoleCancelEventHandler(Object sender, ConsoleCancelEventArgs e);

 
    [Serializable]
    public sealed class ConsoleCancelEventArgs : EventArgs 
    { 
        private ConsoleSpecialKey _type;
        private bool _cancel;  // Whether to cancel the CancelKeyPress event 

        internal ConsoleCancelEventArgs(ConsoleSpecialKey type)
        {
            _type = type; 
            _cancel = false;
        } 
 
        // Whether to cancel the break event.  By setting this to true, the
        // Control-C will not kill the process. 
        public bool Cancel {
            get { return _cancel; }
            set {
                if (SpecialKey == ConsoleSpecialKey.ControlBreak && value == true) 
                    throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_CantCancelCtrlBreak"));
                Contract.EndContractBlock(); 
                _cancel = value; 
            }
        } 

        public ConsoleSpecialKey SpecialKey {
            get { return _type; }
        } 
    }
} 

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

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