Sub OnGetToolTip(Sender: Object; Args: IUiChartGetTextEventArgs);
Begin
//set of operators
End Sub OnGetToolTip;
Sender - parameter that returns the component that has generated the event.
Args - parameter that enables the user to determine event parameters.
The OnGetToolTip event determines parameters of tooltips on chart points; tooltips are displayed on mouseover.
Sub UiChartOnGetToolTip(Sender: Object; Args: IUiChartGetTextEventArgs);
Begin
Args.Result := True;
Args.Text := Args.SerieIndex.ToString + #13 + #10 + Args.PointIndex.ToString;
End Sub UiChart1OnGetToolTip;
After executing the example a tooltip is displayed on mouseover. The first line of the tooltip displays series number and the second line displays point number.
See also: