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V25.1
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    IColorizerValueProvider Interface

    The interface that should be implemented by classes used to provide colorizers with values. Colorizer uses these values to determine item colors.

    Namespace: DevExpress.XtraTreeMap

    Assembly: DevExpress.XtraTreeMap.v25.1.dll

    NuGet Package: DevExpress.TreeMap

    #Declaration

    public interface IColorizerValueProvider

    The following members return IColorizerValueProvider objects:

    #Example

    The following example shows how to make a treemap colorizer determine item colors based on the bound data source’s “HPI” row values:

    ((TreeMapColorizerBase)treeMapControl1.Colorizer).ValueProvider = new ColorizerValueProvider();
    //...
    public class ColorizerValueProvider : IColorizerValueProvider {
        double IColorizerValueProvider.GetValue(IHierarchicalItem item, int itemIndex) {
            DataRowView row = item.Tag as DataRowView;
            if (row != null)
                return (double)row["HPI"];
            return 0;
        }
    }
    
    See Also