DWORD GetPrinterData(
  HANDLE hPrinter,    // handle to printer or print server
  LPTSTR pValueName,  // value name
  LPDWORD pType,      // data type
  LPBYTE pData,       // configuration data buffer
  DWORD nSize,        // size of configuration data buffer
  LPDWORD pcbNeeded   // bytes received or required 
);
 

 
DECLARE INTEGER GetPrinterData IN winspool.drv;
    INTEGER   hPrinter,;
    STRING    pValueName,;
    INTEGER @ pType,;
    STRING  @ pData,;
    INTEGER   nSize,;
    INTEGER @ pcbNeeded