+ // get alerted when child gets deleted from under us
+ void OnDestroy(wxWindowDestroyEvent& event);
+
+#if defined(__WXMSW__) ||(defined(__WXMAC__) && wxOSX_USE_COCOA_OR_CARBON)
+ // Check if the mouse needs to be captured or released: we must release
+ // when it's inside our window if we want the embedded controls to work.
+ void OnIdle(wxIdleEvent& event);
+#endif
+