How do I get another application's window handle passed to Delphi via a mouse click

Question

How can I get the handle of a window to be passed to Delphi by the user selecting the window (could be any other aplication\'s window) by clicking with the mouse on it. In m

Answer 1

Edit: It's gone, but you used to be able to download Delphi Window Spy by Eddie Shipman, from delphipages.com, which has turned into a festering heap of useless linkbait.