should use the MDI Child, not it's parent. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29674 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
should use the MDI Child, not it's parent. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29674 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775