Printing Delphi

Title: How to find the port of a named printer device (Registry)
You need this Code to get the Port for a Printer.
uses registry;
function Get_Printerport(Printername: String): string;
var
Reg: TRegistry;
begin
Reg := TRegistry.Create;
with Reg do
begin
RootKey := HKEY_LOCAL_MACHINE;
if OpenKey('\System\CurrentControlSet\Control\Print\printers\' + Printername + '\', True) then
if ValueExists('port') then
Result := Readstring('port');
CloseKey;
end;
end;