Named Pipe zwischen Autoit und C++

#Include <Misc.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
AutoItSetOption("MustDeclareVars", 1)
#Region ### START Koda GUI section ### Form=
GUICreate("Server", 490, 186, 192, 124)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
Local Const $vzbEZ_PIPE_NAME = "\\.\pipe\TestPipe"



Local $hndlPipe
    Local $aPipeData[4]
    $hndlPipe = _NamedPipes_CreateNamedPipe($vzbEZ_PIPE_NAME)
    If $hndlPipe <> -1 Then
        Do
            If _NamedPipes_ConnectNamedPipe($hndlPipe) Then
                $aPipeData = _NamedPipes_PeekNamedPipe($hndlPipe)
                MsgBox(0,"",@LF & "Pipe Server:: Data: """ & $aPipeData[0] & """" & ", " & $aPipeData[1] & ", " & $aPipeData[2] & ", " & $aPipeData[3] & @LF)  
                If Not _NamedPipes_DisconnectNamedPipe($hndlPipe) Then
                    ConsoleWrite(@LF & "Pipe Server:: DisconnectNamedPipe() Failed." & @LF)
                Endif
            Else
                MsgBox(0,"",@LF & "Pipe Server:: connectNamedPipe() failed. " & @LF)
                Exit
            Endif
        Until $aPipeData[0] == "DIE"
    Else
        MsgBox(0,"",@LF & "Pipe Server:: _CreateNamedPipe() failed. " & @LF)
    Endif

#include "windows.h"
#include "stdio.h"


HANDLE hPipe;

void PipeTest()
{

	BOOL bWrite = false;
	
	DWORD BYTESWRITTEN = 0;
	


	HANDLE hPIPE = CreateFile( "\\.\pipe\TestPipe", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); 


	char buffer[256];

	strcpy( buffer, "Test... No Srsly... test" ); 
	
	if ( hPIPE != INVALID_HANDLE_VALUE )
	{
		static OVERLAPPED overlapped = { };
		bWrite = WriteFile( hPIPE, buffer, sizeof(buffer), &BYTESWRITTEN, NULL );
		if ( bWrite == FALSE )
		{
			MessageBox(NULL, "WriteFile Error!", "Error!", MB_OK);
		}
	}
	else 
	{
		MessageBox(NULL, "CreateFile Error!", "Error!", MB_OK);
	}

	CloseHandle(hPIPE);
}


 BOOL WINAPI DllMain(HINSTANCE mod, DWORD DWORD_GRUND, LPVOID res)
{
switch(DWORD_GRUND)
{
case 1:
CreateThread(0, 0, (LPTHREAD_START_ROUTINE)PipeTest , 0, 0, 0);
break;
case 2:
break;
}
return TRUE;
}