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Navigation: Code Documentation > RSCharting > RSCharts > Classes > TRS2DImageChartValues > Methods

TRS2DImageChartValues.Add(TRSChartValueType,String,TCanvasColor,Integer) Method

Creates a new TRS2DImageChartValue instance and adds it to the Items array. The new instance is initialized with the X, Caption, Color, and ImageIndex parameters. Call Add to create a 2D image value 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, 0)).

Add returns the new 2D image value.

Namespace: RSCharts

Parameters

Type: TRSChartValueType

Caption

Type: String

Color

Type: TCanvasColor

ImageIndex

Type: Integer

Return Value

Type: TRS2DImageChartValue

The following example creates values in the collection:

Delphi

var
   Value: TRS2DImageChartValue;  // 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.X := 10.0;
   Value.Y := 20.0;
   Value.ImageIndex := 0;
   // this code adds the same point but much more quickly
   Value := MyChart.Values.Add( 10.0, 20.0, 'One', clRed, 0 );
end;

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Return Value

Reference