System Delphi

Title: Hide program from task bar
Question: How can I hide my program from the windows task bar?
Answer:
For some programms it is important to hide them from the task bar.
procedure TForm1.FormOnCreate(Sender: TOBject);
begin
SetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
end;