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Navigation: Code Documentation > RSCharting > RSBarCharts > Classes > TRSSparseBarChartValues > Methods

TRSSparseBarChartValues.Add(TRSChartValueType,String,TCanvasColor) Method

Creates a new RSBarCharts.TRSSparseBarChartValue instance and adds it to the Items array. The new instance is initialized with the Value, Caption, and Color parameters. The X property is set to the maximum of all the previous values. Call Add to create a bar 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)).

Add returns the new bar value.

Namespace: RSBarCharts

Parameters

Value

Type: TRSChartValueType

Caption

Type: String

Color

Type: TCanvasColor

Return Value

Type: TRSSparseBarChartValue

The following example creates values in the collection:

Delphi

var
   Value: TRSSparseBarChartValue;  // 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.Value := 10.0;
   Value.XAsDateTime := EncodeDate(1999, 1, 30);
   // this code adds the same point but much more quickly
   Value := MyChart.Values.Add( EncodeDate(1999, 1, 30), 10.0, 'One', clRed );
end;

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Return Value

Reference