NativeMethods.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 / infocard / Client / System / IdentityModel / Selectors / NativeMethods.cs / 1305376 / NativeMethods.cs

                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace System.IdentityModel.Selectors
{ 
    using System;
    using System.Runtime.InteropServices; 
    using System.Runtime.ConstrainedExecution; 
    using System.ComponentModel;
 
    using IDT = Microsoft.InfoCards.Diagnostics.InfoCardTrace;

    //
    // For common & resources 
    //
    using Microsoft.InfoCards; 
 
    internal static class NativeMethods
    { 
        public static IntPtr GetProcAddressWrapper( SafeLibraryHandle implDll, string procName )
        {
            IntPtr procaddr = NativeMethods.GetProcAddress( implDll, procName );
            if ( IntPtr.Zero == procaddr ) 
            {
                // 
                // We'll get the last error's message using Win32Exception 
                // Adding the procName gives more context.
                // 
                ThrowWin32ExceptionWithContext( new Win32Exception(), procName );
            }
            return procaddr;
        } 

        public static Win32Exception ThrowWin32ExceptionWithContext( Win32Exception wex, string context ) 
        { 
            throw IDT.ThrowHelperError( new Win32Exception(
                wex.NativeErrorCode, 
                SR.GetString( SR.ClientAPIDetailedExceptionMessage, wex.Message, context ) ) );
        }

 
        [DllImport( "kernel32.dll" ,
            CharSet = CharSet.Ansi, 
            ExactSpelling = true, 
            SetLastError = true,
            CallingConvention = CallingConvention.StdCall )] 
        private static extern IntPtr GetProcAddress(
            SafeLibraryHandle hModule,
            [MarshalAs( UnmanagedType.LPStr )]
            string procname ); 

    } 
} 

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

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