virtual void Expand( const wxDataViewItem & item );
virtual void Collapse( const wxDataViewItem & item );
+ virtual bool IsExpanded( const wxDataViewItem & item ) const;
+
+ virtual bool EnableDragSource( const wxDataFormat &format );
+ virtual bool EnableDropTarget( const wxDataFormat &format );
static wxVisualAttributes
GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);