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TRSEQChartValues.Add(TRSChartValueType,String,TCanvasColor) Method

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Creates a new EQ Bar or frequency item ( RSCharts.TRSEQChartValue instance) and adds it to the Items array. The new instance is initialized with the EQ value (High=Value), Caption, and Color parameters. Call Add to create a EQ bar 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 EQ value.

Namespace: RSCharts

expandingSyntax

Delphi

public
  function Add( Value: TRSChartValueType; Caption: String = ''; Color: TCanvasColor = clxDefaultColor ): TRSEQChartValue; overload;
 

Parameters

Value

Type: TRSChartValueType

Caption

Type: String

Color

Type: TCanvasColor

Return Value

Type: TRSEQChartValue

expandingExamples

The following example creates values in the collection:

Delphi

var
   Value: TRSEQChartValue;  // 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 := 20.0;
   Value.High := 30;
   // this code adds the same point but much more quickly
   Value := EQChart.Values.Add( 20.0, 30.0, 'One', clRed );
 end;

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RiverSoftAVG Charting Component Suite (RCCS) © 2005-2015, Thomas G. Grubb