Matheas Manssen mentioned this to All:
 MM> Sometimes when a (game, or 'multimedia; demonstration) program starts, 
the
 MM> whole screen gets black, en the only thing visible is the program 
running,
 MM> which is centered. The centering isn't so difficult, getting the screen
 MM> size, en setting the upperleft corner of the window. But how is the rest
 MM> done? (Getting the screen black, and no other program visible.)
Make your main form full-screen with no caption, border, title bar, or system 
icons.
                                ...Gary
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