Qvision 2000 and Matrox Mga Ultima Cause Access Violation

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#include <windows.h>

HANDLE mainFrame;
extern LRESULT WINAPI DrawProc (HWND, UINT, WPARAM, LPARM);

int APIENTRY WinMain (HMODULE hModule, HINSTANCE hNULL, PSTR cmdLine,
     int cmdShow)
{
MSG msg;
WNDCLASS wc;

        memset (&wc, 0, sizeof (WNDCLASS));
        wc.lpszClassName = "MAIN";
        wc.hbrBackground = (void * ) (COLOR_WINDOW +1);
        wc.style = CS_VREDRAW | CS_HREDRAW;
        wc.lpfnWndProc = DrawProc;
        if  (!RegisterClass (&wc)) exit (-1);
        if  ( (mainFrame = CreateWindow ("MAIN", "Mca Test",
             WS_OVERLAPPEDWINDOW, 0, 0, 300, 200, NULL,
              NULL, 0, NULL) ) == NULL)
           return (FALSE);
        ShowWindow (mainFrame, SW_SHOW);

        While (GetMessage (&msg, NULL, 0, 0) )
        {
            TranslateMessage (&msg);
            DispatchMessage(&msg);
        }
}

LRESULT  WINAPI DrawProc (HWND hwnd, UINT msg, WPARM mp1, LPARAM mp2)
{
PAINTSTRUCT ps;

   switch (msg)
   {
   case  WM_CLOSE:
        DestroyWindow (mainFrame);
        return (0);
   case WM_DESTROY:
        PostQuitMessage (0);
        return (0);
   case WM_PAINT:
        BeginPaint (hwnd, &ps);
        BeginPath  (ps.hdc);
        EndPath (ps.hdc);
        StrokeAndFillPath (ps.hdc); // Fillpath is the problem here
                                    // since nothing has been drawn
        BeginPath (ps.hdc);
        MoveToEx (ps.hdc, 50, 50, NULL); //This is the failure point
        LineTo (ps.hdc, 100, 100);
        LineTo (ps.hdc, 150,  150);
        EndPath (ps.hdc);
        StrokeAndFillPath (ps.hdc);
        MoveToEx (ps.hdc, 300, 300, NULL);
        EndPaint (hwnd, &ps);
        return (0);
    }
    return (DefWindowProc (hwnd, msg, mp1, mp2));
}