(added virtual void RemoveChild() which make sure OnActivate won't accidentally use invalid m_winLastFocused ptr) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10298 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
(added virtual void RemoveChild() which make sure OnActivate won't accidentally use invalid m_winLastFocused ptr) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10298 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775