This event is generated when the user selects the Zoom in/out toolbar button (see Toolbar) and the plot area to zoom in on. Use this event to perform operations before a zoom-in is performed, that is, before the chart is redrawn with the new zoom-in settings.
'XYChartCtl1 is the name of the XY Chart control instance placed on the form
Private Sub XYChartCtl1_ZoomInSelected()
= 1 'Display
all values for Profile 1