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// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
/*============================================================
**
** Class: SafeEventLogWriteHandle
**
** <EMAIL>Author: David Gutierrez ([....]) </EMAIL>
**
** 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;
using System.Runtime.Versioning;
namespace Microsoft.Win32.SafeHandles {
[HostProtectionAttribute(MayLeakOnAbort = true)]
[SuppressUnmanagedCodeSecurityAttribute]
internal sealed class SafeEventLogWriteHandle : SafeHandleZeroOrMinusOneIsInvalid
{
// Note: RegisterEventSource returns 0 on failure
internal SafeEventLogWriteHandle () : base(true) {}
[DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]
[ResourceExposure(ResourceScope.Machine)]
internal static extern SafeEventLogWriteHandle RegisterEventSource(string uncServerName, string sourceName);
[DllImport(ExternDll.Advapi32, SetLastError=true)]
[ResourceExposure(ResourceScope.None)]
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
private static extern bool DeregisterEventSource(IntPtr hEventLog);
override protected bool ReleaseHandle()
{
return DeregisterEventSource(handle);
}
}
}
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