Before using the ShowOnlyInFocusedPane property, make sure the ChartControlBase.CrosshairEnabled property is set to true.
Note
To bind a pane to a particular XY-series in the chart control, use the XYDiagram2D.SeriesPane attached property.
The following table shows this property in action.
ShowOnlyInFocusedPane=True |
ShowOnlyInFocusedPane=False |
 |
 |
For more information on a crosshair cursor, see Tooltip and Crosshair Cursor.