Utility.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 / cdf / src / WCF / SMDiagnostics / System / ServiceModel / Diagnostics / Utility.cs / 1305376 / Utility.cs
                        

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

namespace System.ServiceModel.Diagnostics 
{
    using System.Runtime; 
    using System.Runtime.CompilerServices; 
    using System.Runtime.ConstrainedExecution;
    using System.Diagnostics; 
    using System.Threading;
    using System.Runtime.InteropServices;
    using System.Security;
    using System.Security.Permissions; 
    using System.Diagnostics.CodeAnalysis;
 
    class Utility 
    {
        ExceptionUtility exceptionUtility; 

        [Obsolete("For SMDiagnostics.dll use only. Call DiagnosticUtility.Utility instead")]
        internal Utility(ExceptionUtility exceptionUtility)
        { 
            this.exceptionUtility = exceptionUtility;
        } 
 
        // Call this when a p/invoke with an 'out SafeHandle' parameter returns an error.  This will safely clean up the handle.
        internal static void CloseInvalidOutSafeHandle(SafeHandle handle) 
        {
            // Workaround for 64-bit CLR bug VSWhidbey 546830 - sometimes invalid SafeHandles come back null.
            if (handle != null)
            { 
#pragma warning disable 618
                AssertUtility.DebugAssert(handle.IsInvalid, "CloseInvalidOutSafeHandle called with a valid handle!"); 
#pragma warning restore 618 

                // Calls SuppressFinalize. 
                handle.SetHandleAsInvalid();
            }
        }
 
        // Copy of the above for CriticalHandles.
        internal static void CloseInvalidOutCriticalHandle(CriticalHandle handle) 
        { 
            if (handle != null)
            { 
#pragma warning disable 618
                AssertUtility.DebugAssert(handle.IsInvalid, "CloseInvalidOutCriticalHandle called with a valid handle!");
#pragma warning restore 618
 
                handle.SetHandleAsInvalid();
            } 
        } 

        internal Guid CreateGuid(string guidString) 
        {
            return Fx.CreateGuid(guidString);
        }
 
        internal bool TryCreateGuid(string guidString, out Guid result)
        { 
            return Fx.TryCreateGuid(guidString, out result); 
        }
 
        internal byte[] AllocateByteArray(int size)
        {
            return Fx.AllocateByteArray(size);
        } 

        internal char[] AllocateCharArray(int size) 
        { 
            return Fx.AllocateCharArray(size);
        } 
    }
}

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

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