Delphi中获取打印机设备名和端口名

核心提示：uses PRinters;{$IFNDEF WIN32}const MAX_PATH = 144;{$ENDIF}procedure TForm1.Button1Click(Sender: TObject);varpDevice : pChar;pDriver : pChar;pPort : pChar;hDMode

uses PRinters;

{$IFNDEF WIN32}
const MAX_PATH = 144;
{$ENDIF}

procedure TForm1.Button1Click(Sender: TObject);
var
　pDevice : pChar;
　pDriver : pChar;
　pPort　 : pChar;
　hDMode : THandle;
begin
　if PrintDialog1.Execute then begin
　　GetMem(pDevice, cchDeviceName);
　　GetMem(pDriver, MAX_PATH);
　　GetMem(pPort, MAX_PATH);
　　Printer.GetPrinter(pDevice, pDriver, pPort, hDMode);
　　if lStrLen(pDriver) = 0 then begin
　　　GetProfileString('Devices', pDevice, ', pDriver, MAX_PATH);
　　　pDriver[pos(',', pDriver) - 1] := #0;
　　end;
　　if lStrLen(pPort) = 0 then begin
　　　GetProfileString('Devices', pDevice, ', pPort, MAX_PATH);
　　　lStrCpy(pPort,　@pPort[lStrLen(pPort)+2]);
　　end;
　　Memo1.Lines.Add('Device := ' + StrPas(pDevice));
　　Memo1.Lines.Add('Driver := ' + StrPas(pDriver));
　　Memo1.Lines.Add('Port := ' + StrPas(pPort));
　　FreeMem(pDevice, cchDeviceName);
　　FreeMem(pDriver, MAX_PATH);
　　FreeMem(pPort, MAX_PATH);
　end;
end;