added virtual wxFrame::FindItemInMenuBar(): overriding it in wxMDIParentFrame allows to look for the items in the active child when giving help for the current menu item

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46114 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/mdi.h

@@ -92,6 +92,9 @@ public:
     virtual WXLRESULT MSWDefWindowProc(WXUINT, WXWPARAM, WXLPARAM);
     virtual bool MSWTranslateMessage(WXMSG* msg);
 
+    // override wxFrameBase function to also look in the active child menu bar
+    virtual const wxMenuItem *FindItemInMenuBar(int menuId) const;
+
 protected:
 #if wxUSE_MENUS_NATIVE
     virtual void InternalSetMenuBar();