The following code results in a window that stays on top all the time,
even when the main application form is in the background:
Minitool := TMinitool.Create(Self);
Application.NormalizeTopMosts;
SetWindowPos(Minitool.Handle, HWND_TOPMOST, 0,0,0,0,
SWP_NOACTIVATE+SWP_NOMOVE+SWP_NOSIZE);
Minitool.Show;