TopWindow.bas
TopWindow.bas contains two subs:
PutThisOnTop (hwnd) and PutThisOffTop (hwnd)
You can add or remove top window status to any window in your project simply by adding TopWindow.bas to your project and calling the subs e.g.
PutThisOnTop Form1.hwnd
The Demo Program

Note: TopWindow.bas is for VB5 / VB6. There is at present no .NET version.