unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TForm1 = class(TForm) Button1: TButton; procedure Button1Click(Sender: TObject); procedure SecondProcedure(woot: string; waat: integer); private { Private declarations } public { Public declarations } end; var Form1: TForm1; implementation {$R *.dfm} procedure TForm1.Button1Click(Sender: TObject); begin SecondProcedure('heehee I''m doing delpheeee!', 1234); // You could also do Form1.SecondProcedure but because both procedures // are part of Form1 anyhow, it's not needed. Read up on Object Oriented // Programming if you don't understand. end; procedure TForm1.SecondProcedure(woot: string; waat: integer); begin ShowMessage(woot + ' ' + IntToStr(waat)); end; end.