SafeReadContext.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 / Log / System / IO / Log / SafeReadContext.cs / 1 / SafeReadContext.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace System.IO.Log
{ 
    using System;
    using System.Diagnostics; 
    using System.Runtime.InteropServices; 
    using System.Runtime.ConstrainedExecution;
    using System.Security; 

    internal sealed class SafeReadContext : SafeHandle
    {
        public SafeReadContext() : base(IntPtr.Zero, true) 
        {
        } 
 
        public override bool IsInvalid
        { 
            get
            {
                return IsClosed || this.handle == IntPtr.Zero;
            } 
        }
 
        [DllImport("clfsw32.dll"), 
         SuppressUnmanagedCodeSecurity,
         ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)] 
        private static extern bool TerminateReadLog(IntPtr ptr);

        override protected bool ReleaseHandle()
        { 
            return TerminateReadLog(this.handle);
        } 
    } 
}

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

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