BOOL EnumForms(
  HANDLE hPrinter,    // handle to printer object
  DWORD Level,        // data level
  LPBYTE pForm,       // form information buffer
  DWORD cbBuf,        // size of form information buffer
  LPDWORD pcbNeeded,  // bytes received or required
  LPDWORD pcReturned  // number of forms received
);
 

 
DECLARE INTEGER EnumForms IN winspool.drv;
    INTEGER   hPrinter,;
    INTEGER   lvl,;
    INTEGER   pForm,;
    INTEGER   cbBuf,;
    INTEGER @ pcbNeeded,;
    INTEGER @ pcReturned