IChart.UseSignatureHint

Syntax

UseSignatureHint: Boolean;

Description

The UseSignatureHint property determines whether data labels in the chart must be shown as tooltips.

Example

Executing the example requires a form with a button named Button1 on the form, the ChartBox and UiChart components used as data sources.

Sub Button1OnClick(Sender: Object; Args: IMouseEventArgs);
Var
    Chart: IChart;
Begin
    Chart:= UiChart1.Chart;
    Chart.UseSignatureHint:= True;
    Chart.HintStringFormat:= "%Percent";
End Sub Button1OnClick;

After clicking the Button1 button the chart displays tooltips for data series in the following format: percentage parts.