set m_isBeingDeleted to true (only) in SendDestroyEvent(); call it as early as possible during the window destruction to ensure that destroy event handlers can still access the full window object

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58246 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/control.h

@@ -35,7 +35,6 @@ public:
             const wxSize& size = wxDefaultSize, long style = 0,
             const wxValidator& validator = wxDefaultValidator,
             const wxString& name = wxControlNameStr);
-   virtual ~wxControl();
 
    // Simulates an event
    virtual void Command(wxCommandEvent& event) { ProcessCommand(event); }