+ wxChoice* _effect;
+ wxColourPickerCtrl* _effect_colour;
+ Timecode<ContentTime>* _fade_in;
+ Timecode<ContentTime>* _fade_out;
+ wxSpinCtrl* _outline_width;
+ wxGridBagSizer* _table;
+
+ boost::shared_ptr<Content> _content;
+
+ boost::signals2::scoped_connection _content_connection;