For whatever reason the new WS_EX_MDICHILD method is not working properly, the MDI child windows won't take focus.  But the old SetParent() method seems to work properly, so reverting to the old code for now.
For whatever reason the new WS_EX_MDICHILD method is not working properly,
the MDI child windows won't take focus.  But the old SetParent() method
seems to work properly, so reverting to the old code for now.

OS2World/LIB-DynamicWindows,OS2World/LIB-DynamicWindows,OS2World/LIB-DynamicWindows