Window Focus

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markcw

user32 is a dll, create a file called "user32.decls" in your "userlibs" folder from this:
http://www.blitzbasic.com/codearcs/codearcs.php?code=1179

Then you need the MSDN online win32 help, or get a copy of the old win32.hlp, here for example:
http://www.purebasic.com/documentation/reference/ide_help.html

Here is a GetFocus example.

;GetFocus example

Graphics 640,480,0,2

hwnd=Api_GetFocus()
;similar commands
hwnd2=Api_GetForegroundWindow()
hwnd3=Api_GetActiveWindow()

While Not KeyHit(1)
 Cls

 test=Api_GetFocus()
 If hwnd<>test Then End ;if focus not on this app then quit

 Text 0,0,"hwnd="+hwnd+" hwnd2="+hwnd2+" hwnd3="+hwnd3

 Flip
Wend