SelectionMode API in Angular Chart API component

Defines the 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
• DragX - To select points, by dragging with respect to horizontal axis.
• DragY - To select points, by dragging with respect to vertical axis.
• Lasso - To select points, by dragging with respect to free form.
• None
• Series
• Point
• Cluster
• DragXY
• DragY
• DragX
• Lasso