Как программно добавить принтер

unit unit_AddPrinter;

interface

function AddAPrinter(PrinterName, PortName,
DriverName, PrintProcessor: string): boolean;

implementation

uses
  SysUtils,
  WinSpool,
  Windows;

function AddAPrinter(PrinterName, PortName,
DriverName, PrintProcessor: string):     boolean;
var 
  pName: PChar; 
  Level: DWORD; 
  pPrinter: PPrinterInfo2; 
begin 

  pName := nil; 
  Level := 2; 
  New(pPrinter); 
  pPrinter^.pServerName := nil; 
  pPrinter^.pShareName := nil; 
  pPrinter^.pComment := nil; 
  pPrinter^.pLocation := nil; 
  pPrinter^.pDevMode := nil;
  pPrinter^.pSepFile := nil; 
  pPrinter^.pDatatype := nil; 
  pPrinter^.pParameters := nil; 
  pPrinter^.pSecurityDescriptor := nil; 
  pPrinter^.Attributes := 0;
  pPrinter^.Priority := 0;
  pPrinter^.DefaultPriority := 0;
  pPrinter^.StartTime := 0;
  pPrinter^.UntilTime := 0;
  pPrinter^.Status := 0;
  pPrinter^.cJobs := 0;
  pPrinter^.AveragePPM :=0;

  pPrinter^.pPrinterName := PCHAR(PrinterName);
  pPrinter^.pPortName := PCHAR(PortName);
  pPrinter^.pDriverName := PCHAR(DriverName);
  pPrinter^.pPrintProcessor := PCHAR(PrintProcessor);

  if AddPrinter(pName, Level, pPrinter) <> 0 then
    Result := true
  else
  begin
    // ShowMessage(inttostr(GetlastError));
    Result := false;
  end;
end;

end.