CoTaskMemHandle.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 / tx / System / Transactions / Oletx / CoTaskMemHandle.cs / 1305376 / CoTaskMemHandle.cs
                        

                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
namespace System.Transactions.Oletx
{ 
    using System;
    using System.Runtime.ConstrainedExecution; 
    using System.Runtime.InteropServices; 
    using System.Security;
 
    internal sealed class CoTaskMemHandle : SafeHandle
    {
        // FXCop is complaining because we don't have any callers to the constructor.  But they are created by COMInterop when we use them
        // as "out" parameters to calls to the proxy shim interfaces. 
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
        public CoTaskMemHandle() : base(IntPtr.Zero, true) 
        { 
        }
 
        public override bool IsInvalid
        {
            get
            { 
                return IsClosed || this.handle == IntPtr.Zero;
            } 
        } 
/*
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] 
        [DllImport("ole32.dll", EntryPoint="CoTaskMemAlloc"),
         SuppressUnmanagedCodeSecurity]
        public static extern CoTaskMemHandle Alloc(IntPtr size);
*/ 
        [DllImport("ole32.dll"),
         SuppressUnmanagedCodeSecurity, 
         ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)] 
        private static extern void CoTaskMemFree(IntPtr ptr);
 
        override protected bool ReleaseHandle()
        {
            CoTaskMemFree(this.handle);
            return true; 
        }
 
    } 
}

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

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