C++ program not responding to tile/cascade window from task bar -

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i have complicated program in c++ (hybrid of old-school win32 , wtl) not respond taskbar tile/cascade request (i.e. right click on task bar , select "cascade windows" or "show window side side"). when use spy++, found none of window receiving window message, while other programs (in case, firefox) series of wm_getminmaxinfo, wm_size, wm_paint ...

my frame window styled ws_overlappedwindow. create several hidden windows before creating frame window. have tested on multiple different os'es , symptoms same. there limitation or prerequisites windows shell send out messages frame window?

windows sends messages window represented taskbar button.

in app, , i'm guessing bit here, 1 of hidden windows represented taskbar button. window manager won't send of these messages hidden window.

you can solve problem arranging main window 1 represented in taskbar. can read gory details of windows appear in taskbar in excellent msdn topic titled window features.


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