Defines the pivot chart selection mode. They are
None
- Disable the selection.Series
- To select a series.Point
- To select a point.Cluster
- To select a cluster of point.DragXY
- To select points, by dragging with respect to both horizontal and vertical axis.DragY
- To select points, by dragging with respect to vertical axis.DragX
- To select points, by dragging with respect to horizontal axis.