ViewBTreeChildData::ViewBTreeChildData (BTreeData *data, Canvas::Group *parent, double x1, double y1, double x2, double y2):
ViewBTreeData (data, parent, x1, y1, x2, y2)
ViewBTreeChildData::ViewBTreeChildData (BTreeData *data, Canvas::Group *parent, double x1, double y1, double x2, double y2):
ViewBTreeData (data, parent, x1, y1, x2, y2)