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Navigation: Code Documentation > RSCharting > RSCharts > Classes > TRSArrowChartValues > Methods

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

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Creates a new RSCharts.TRSArrowChartValue instance and adds it to the Items array. The new instance is initialized with the dimensions (StartX, StartY, EndX and EndY which specify the 2 end points), Caption, and Color parameters. Call Add to create an arrow 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.

Add returns the new arrow value.

Namespace: RSCharts

Parameters

StartX

Type: TRSChartValueType

StartY

Type: TRSChartValueType

EndX

Type: TRSChartValueType

EndY

Type: TRSChartValueType

Caption

Type: String

Color

Type: TCanvasColor

Return Value

Type: TRSArrowChartValue

The following example creates values in the collection:

Delphi

var
   Value: TRSArrowChartValue;  // 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.StartX := 10.0;
   Value.StartY := 20.0;
   Value.EndX := 50.0;
   Value.EndY := -20.0;
   // this code adds the same arrow but much more quickly
   Value := MyChart.Values.Add( 10.0, 20.0, 50.0, -20.0), 'One', clRed );
end;

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Return Value

Reference