virtual int CocoaDataSource_numberOfRows() = 0;
virtual struct objc_object* CocoaDataSource_objectForTableColumn(
WX_NSTableColumn tableColumn, int rowIndex) = 0;
virtual int CocoaDataSource_numberOfRows() = 0;
virtual struct objc_object* CocoaDataSource_objectForTableColumn(
WX_NSTableColumn tableColumn, int rowIndex) = 0;