Оформил: DeeCo
Автор: http://www.swissdelphicenter.ch

 uses
   Printers, Winspool;


 procedure TForm1.FormCreate(Sender: TObject);
 begin
   ComboBox1.Items.Assign(Printer.Printers);
 end;


 procedure TForm1.ComboBox1Change(Sender: TObject);
 var
   hPrinter: THandle;
   PrtName: string;
   DriverInfo: PDriverInfo2;
   dwNeeded: DWORD;
 begin
   Memo1.Clear;
   PrtName := Combobox1.Text;
   OpenPrinter(PChar(PrtName), hPrinter, nil);
   GetPrinterDriver(hPrinter, nil, 2, DriverInfo, 0, dwNeeded);
   GetMem(DriverInfo, dwNeeded);
   if GetPrinterDriver(hPrinter, nil, 2, DriverInfo, dwNeeded, dwNeeded) then
   begin
     // Add infos to Memo1 
    Memo1.Lines.Add('Version: ' + IntToStr(DriverInfo.cVersion));
     Memo1.Lines.Add(StrPas(DriverInfo.pName));
     Memo1.Lines.Add(StrPas(DriverInfo.pEnvironment));
     Memo1.Lines.Add(StrPas(DriverInfo.pDriverPath));
     Memo1.Lines.Add(StrPas(DriverInfo.pDataFile));
     Memo1.Lines.Add(StrPas(DriverInfo.pConfigFile));
   end
   else
     Memo1.Lines.Add('No Info needed = ' + IntToStr(dwNeeded));

   ClosePrinter(hPrinter);
   FreeMem(DriverInfo);
 end;