SafeTimerHandle.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 / CompMod / Microsoft / Win32 / SafeHandles / SafeTimerHandle.cs / 1305376 / SafeTimerHandle.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  SafeTimerHandle 
**
** Author: David Gutierrez ([....])  
**
** A wrapper for a timer handle
**
** Date:  July 23, 2002 
**
===========================================================*/ 
 
using System;
using System.Security; 
using System.Security.Permissions;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using Microsoft.Win32; 
using Microsoft.Win32.SafeHandles;
using System.Runtime.ConstrainedExecution; 
using System.Runtime.Versioning; 

namespace Microsoft.Win32.SafeHandles { 
    [HostProtectionAttribute(MayLeakOnAbort=true)]
    [SuppressUnmanagedCodeSecurityAttribute]
    internal sealed class SafeTimerHandle : SafeHandleZeroOrMinusOneIsInvalid
    { 
        // Note that CreateWaitableTimer returns 0 on failure
 
        internal SafeTimerHandle() : base (true) {} 

        // Not currently used 
        //[SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode=true)]
        //internal SafeTimerHandle(IntPtr existingHandle, bool ownsHandle) : base(ownsHandle) {
        //    SetHandle(existingHandle);
        //} 

        [DllImport(ExternDll.Kernel32, ExactSpelling=true, SetLastError=true)] 
        [ResourceExposure(ResourceScope.None)] 
        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
        private static extern bool CloseHandle(IntPtr handle); 

        override protected bool ReleaseHandle()
        {
            return CloseHandle(handle); 
        }
    } 
} 

 



 

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

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