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Navigation: Code Documentation > RSCharting > RSDonutCharts > Classes > TRSDonutChartExValues > Methods

TRSDonutChartExValues.Add(TRSChartValueType,TRSChartValueType,TRSChartValueType,TRSChartValueType,String,TCanvasColor) Method

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Creates a new TRSDonutChartExValue instance and adds it to the Items array. The new instance is initialized with the StartAngle, SweepAngle, InnerRadius, OuterRadius, Caption, and Color parameters.

Call Add to create a donut slice in the collection. The new value is placed at the end of the Items array, or, if the collection is Sorted, placed at the sorted point in the collection (based on a default value (0)).

Add returns the new donut slice value.

Namespace: RSDonutCharts

Parameters

StartAngle

Type: TRSChartValueType

SweepAngle

Type: TRSChartValueType

InnerRadius

Type: TRSChartValueType

OuterRadius

Type: TRSChartValueType

Caption

Type: String

Color

Type: TCanvasColor

Return Value

Type: TRSDonutChartExValue

The following example creates values in the collection:

Delphi

var
   Value: TRSDonutChartExValue;  // note, this type should be the same that the chart uses (e.g., TRS2DChartValue, TRSArrowChartValue, etc)
begin
   Value := MyChart.Values.Add;
   Value.Caption := 'One';
   Value.Color := clRed;
   Value.StartAngle := 0.0;
   Value.SweepAngle := 90.0;
   Value.InnerRadius := 0.7;
   Value.OuterRadius := 0.9;
   // this code adds the same point but much more quickly
   Value := MyChart.Values.Add( 0.0, 90.0, 0.7, 0.9, 'One', clRed );
end;

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Return Value

Reference