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V24.2

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TdxChartPaletteRepository.CreateItem(string) Method

Creates a new user palette with the specified name.

#Declaration

Delphi
function CreateItem(const AName: string): TdxChartUserPalette; overload;

#Parameters

Name Type Description
AName string

The unique name of the created user palette.

The AName parameter value initializes the palette’s Name property.

#Returns

Type Description
TdxChartUserPalette

The created user palette.

#Remarks

Call the CreateItem function to create an empty user palette with the specified name.

#Code Example: Create and Populate a User Palette

The code example below creates a user palette, populates it with three sets of different primary and secondary colors, and applies the created palette to a Chart control with three simple Bar series. All series bars are filled with vertical linear gradients.

var
  AChartPalette: TdxChartUserPalette;
begin
  AChartPalette := dxChartPaletteRepository1.CreateItem('My Palette 1');
  AChartPalette.Count := 3;  // Sets the size of the palette item array
  AChartPalette.Items[0] := TdxChartPaletteItem.Create(TdxAlphaColors.RosyBrown, TdxAlphaColors.Red);
  AChartPalette.Items[1] := TdxChartPaletteItem.Create(TdxAlphaColors.LightGreen, TdxAlphaColors.Green);
  AChartPalette.Items[2] := TdxChartPaletteItem.Create(TdxAlphaColors.LightBlue, TdxAlphaColors.Blue);
  dxChartControl1.Palette := AChartPalette; // Applies the created palette to a Chart control
end;

VCL Chart Control: A Custom Palette with Two Color Pairs for Gradients

See Also