SafeEventLogReadHandle.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / Microsoft / Win32 / SafeHandles / SafeEventLogReadHandle.cs / 1 / SafeEventLogReadHandle.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  SafeEventLogReadHandle 
**
** Author: David Gutierrez ([....])  
**
** A wrapper for event log handles
**
** Date:  July 8, 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; 
 
namespace Microsoft.Win32.SafeHandles {
    [HostProtectionAttribute(MayLeakOnAbort = true)] 
    [SuppressUnmanagedCodeSecurityAttribute]
    internal sealed class SafeEventLogReadHandle : SafeHandleZeroOrMinusOneIsInvalid
    {
        // Note: OpenEventLog returns 0 on failure. 

        internal SafeEventLogReadHandle () : base(true) { } 
 

        [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)] 
        internal static extern SafeEventLogReadHandle OpenEventLog(string UNCServerName, string sourceName);

        [DllImport(ExternDll.Advapi32, SetLastError=true)]
        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)] 
        private static extern bool CloseEventLog(IntPtr hEventLog);
 
        override protected bool ReleaseHandle() 
        {
            return CloseEventLog(handle); 
        }
    }
}

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