+ // returns TRUE if the control has "transparent" areas such
+ // as a wxStaticText and wxCheckBox and the background should
+ // be adapted from a parent window
+ virtual bool HasTransparentBackground() { return FALSE; }
+
+ // to be used with function above: transparent windows get
+ // their background from parents that return TRUE here,
+ // so this is mostly for wxPanel, wxTopLevelWindow etc.
+ virtual bool ProvidesBackground() const { return FALSE; }
+