//////////////////////////////////////////////////////////////////////
// PUT THE FOLLOWING DECLARATIONS IN THE HEADER FILE
//////////////////////////////////////////////////////////////////////

   HINSTANCE FFLibDllHandle;
   bool ( __stdcall *pFFTwainOpen )( HWND );
   int ( __stdcall *pFFTwainScan )( HWND, char*, int, int, int, char*, char*, int, int, int );
   void ( __stdcall *pFFTwainClose )( void );


//////////////////////////////////////////////////////////////////////
// SECTION ONE --- PRELIMINARY OPERATIONS
//////////////////////////////////////////////////////////////////////

// load the DLL
   FFLibDllHandle = 0;
   FFLibDllHandle = LoadLibrary ( "FFLIB.DLL" );
   if ( FFLibDllHandle == 0 )
      {
        MessageBox ( NULL, "LoadLibrary:\nFFLIB.DLL not found.",
                           "Error FS 001", MB_SYSTEMMODAL );
        PostQuitMessage ( 0 );
      }

// carica l'indirizzo di FFTwainOpen
   pFFTwainOpen = ( bool ( __stdcall *)( HWND ) ) GetProcAddress ( FFLibDllHandle, "FFTwainOpen" );
   if ( pFFTwainOpen == NULL )
      {
        MessageBox ( NULL, "GetProcAddress:\nFFTwainOpen non trovata.",
                           "Errore FS 003", MB_SYSTEMMODAL ); return;
      }

// carica l'indirizzo di FFTwainScan
   pFFTwainScan = ( int ( __stdcall *)( HWND, char*, int, int, int, char*, char*, int, int, int ) ) GetProcAddress ( FFLibDllHandle, "FFTwainScan" );
   if ( pFFTwainScan == NULL )
      {
        MessageBox ( NULL, "GetProcAddress:\nFFTwainScan non trovata.",
                           "Errore FS 003", MB_SYSTEMMODAL ); return;
      }

// carica l'indirizzo di FFTwainClose
   pFFTwainClose = ( void ( __stdcall *)( void ) ) GetProcAddress ( FFLibDllHandle, "FFTwainClose" );
   if ( pFFTwainClose == NULL )
      {
        MessageBox ( NULL, "GetProcAddress:\nFFTwainClose non trovata.",
                           "Errore FS 003", MB_SYSTEMMODAL ); return;
      }

//////////////////////////////////////////////////////////////////////
// SECTION TWO --- open the TWAIN driver
//////////////////////////////////////////////////////////////////////

hWnd = Application -> Handle;
pFFTwainOpen ( hWnd );

//////////////////////////////////////////////////////////////////////
// SECTION THREE --- scan a group of sheets from the feeder
//////////////////////////////////////////////////////////////////////

int numberOfPagesScanned = pFFTwainScan ( hWnd, "to be printed on the image", 1, 4, 0, "C:\\ALVISE\\LAVORI\\BCB\\TWAINSCAN", "comment", 128, 1, 0 );

//////////////////////////////////////////////////////////////////////
// SECTION FOUR --- FINAL OPERATIONS
//////////////////////////////////////////////////////////////////////

pFFTwainClose ( );
FreeLibrary ( FFLibDllHandle );