' XYChartNETCtl1 is the name of the XY Chart NET control instance placed on the form.
Private Sub AboutButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AboutButton.Click
MsgBox(XYChartNETCtl1.GetVersionMajor & "." & XYChartNETCtl1.GetVersionMinor)
End Sub