Detecting a window within another window
I am trying to write an app using MFC which allows me to drag small dialogs around and drop them in static windows within a main dialog. The idea is, the small dialogs represent workers and the static windows represent work positions. The problem I am having is when I drop the second dialog in the same static window, it simply overlaps the first dialog so you can't tell there are two dialogs ( or three or four etc.).
I have been using this code to try and detect when the static has a dialog in it:
Anyone see the problem or think of an easier way to do it.
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