uses
Printers, Shellapi;
procedure TForm1.Button1Click(Sender: TObject);
var
Device: array[0..255] of Char;
Driver: array[0..255] of Char;
Port: array[0..255] of Char;
S: string;
hDeviceMode: THandle;
documentname: string;
begin
Printer.PrinterIndex := -1; // select a printer, in this case default
Printer.GetPrinter(Device, Driver, Port, hDeviceMode);
S := Format('"%s" "%s" "%s"', [Device, Driver, Port]);
documentname := 'c:\anydocument.doc';
ShellExecute(Handle, 'printto', PChar(documentname), PChar(S), nil, SW_HIDE);
end;
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