...den Port zu Druckername herausfinden (W2K, XP)

// Mit bestem Dank an "Blitz" für die Grundidee!

uses
  Registry;

//...

function Get_Printerport(Printername: string): string;
var
  Reg: TRegistry;
  p: Integer;
begin
  Reg := TRegistry.Create;
  with Reg do
  begin
    RootKey := HKEY_CURRENT_USER;
    if OpenKey('\Software\Microsoft\Windows NT\CurrentVersion\Devices\', True) then
    begin
      if ValueExists(Printername) then
      begin
        // Im reg Key steht so etwas wie   "winspool,LPT1:"
        // The reg Key value may look like "winspool,LPT1:"
        Result := ReadString(Printername);
        p      := Pos(',', Result);
        Result := Copy(Result, p + 1,Length(Result) - p);
      end;
    end;
    CloseKey;
  end;
end;

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