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V24.2

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SunburstPaletteColorizerBase.GetItemBrush(ISunburstSectorInfo) Method

Returns a brush that is applied to the sector.

Namespace: DevExpress.Xpf.TreeMap

Assembly: DevExpress.Xpf.TreeMap.v24.2.dll

NuGet Package: DevExpress.Wpf.TreeMap

#Declaration

public override Brush GetItemBrush(
    ISunburstSectorInfo item
)

#Parameters

Name Type Description
item DevExpress.Xpf.TreeMap.ISunburstSectorInfo

Contains information about the Sunburst sector.

#Returns

Type Description
Brush

A brush that is applied to the sector.

#Remarks

The following code creates and applies a custom colorizer to a Sunburst chart.

public class ChemicalElementColorizer : SunburstColorizerBase {
    Dictionary<string, Brush> brushes;

    Dictionary<string, Brush> Brushes {
        get {
            if (brushes == null) {
                brushes = new Dictionary<string, Brush>();
                Brush sBlockBrush = new SolidColorBrush(Color.FromArgb(255, 216, 103, 159));
                sBlockBrush.Freeze();
                brushes["S-block"] = sBlockBrush;

                Brush pBlockBrush = new SolidColorBrush(Color.FromArgb(255, 234, 202, 39));
                pBlockBrush.Freeze();
                brushes["P-block"] = pBlockBrush;

                Brush dBlockBrush = new SolidColorBrush(Color.FromArgb(255, 102, 156, 220));
                dBlockBrush.Freeze();
                brushes["D-block"] = dBlockBrush;

                Brush fBlockBrush = new SolidColorBrush(Color.FromArgb(255, 126, 171, 54));
                fBlockBrush.Freeze();
                brushes["F-block"] = fBlockBrush;

                Brush lanthanideBrush = new SolidColorBrush(Color.FromArgb(255, 145, 183, 46));
                lanthanideBrush.Freeze();
                brushes["Lanthanide"] = lanthanideBrush;

                Brush actinideBrush = new SolidColorBrush(Color.FromArgb(255, 107, 160, 52));
                actinideBrush.Freeze();
                brushes["Actinide"] = actinideBrush;
            }
            return brushes;
        }
    }

    protected override TreeMapDependencyObject CreateObject() {
        return new ChemicalElementColorizer();
    }
    public override Brush GetItemBrush(ISunburstSectorInfo item) {
        ChemicalElement element = item.GroupInfo.IsParent ? (ChemicalElement)((IList)item.SourceObject)[0] : (ChemicalElement)item.SourceObject;
        string key = element.Block == "F-block" && item.GroupInfo.GroupLevel > 0 ? element.Family : element.Block;         
        return Brushes[key];
    }
}

Run Demo

See Also