SafeEventLogWriteHandle.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / SMDiagnostics / System / ServiceModel / Diagnostics / SafeEventLogWriteHandle.cs / 1 / SafeEventLogWriteHandle.cs

                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.ServiceModel.Diagnostics 
{
    using Microsoft.Win32.SafeHandles; 
    using System.Runtime.InteropServices; 
    using System.Globalization;
    using System.Diagnostics; 

    internal sealed class SafeEventLogWriteHandle : SafeHandleZeroOrMinusOneIsInvalid
    {
        // Note: RegisterEventSource returns 0 on failure 

        SafeEventLogWriteHandle() : base(true) { } 
 
        internal static SafeEventLogWriteHandle RegisterEventSource(string uncServerName, string sourceName)
        { 
            SafeEventLogWriteHandle retval = NativeMethods.RegisterEventSource(uncServerName, sourceName);
            int error = Marshal.GetLastWin32Error();
            if (retval.IsInvalid)
            { 
                Debug.Print("SafeEventLogWriteHandle::RegisterEventSource[" + uncServerName + ", " + sourceName + "] Failed. Last Error: " +
                    error.ToString(CultureInfo.InvariantCulture)); 
            } 
            return retval;
        } 

        [DllImport("advapi32", SetLastError = true)]
        private static extern bool DeregisterEventSource(IntPtr hEventLog);
#pragma warning disable 56523 
        override protected bool ReleaseHandle()
        { 
            return DeregisterEventSource(this.handle); 
        }
#pragma warning restore 56523 

    }
}

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

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