Sub OnGetToolTip(Sender: Object; Args: IUiChartGetTextEventArgs);
Begin
//set of operators
End Sub OnGetToolTip;
The Sender parameter returns the component that has generated the event.
The Args parameter allows to define event parameters.
The OnGetToolTip event determines the parameters of tooltips on the chart points; tooltips appear on mouse over.
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 hint is displayed on placing the mouse cursor over a series point. The first line of the hint displays series number and the second line displays point number.
See also: