I\'d like to write an application drawing a certain visual object (e.g. a semi-transparent triangle) over a full-screen game. The game has a \"strong on-top\" property as it cov
It is not possible to make an application that is always on top, because anything you do to make your application top-most, another application could do. Raymond Chen explains this: http://blogs.msdn.com/b/oldnewthing/archive/2011/03/10/10138969.aspx