Levels in WPF Sunburst Chart (SfSunburstChart)

Sunburst chart is used to display hierarchical data. You can add more than one hierarchical data in Levels collection of Sunburst chart. Each level of the hierarchy is represented by circle.

The following code shows how to add the hierarchical level in Levels collection.

<sunburst:SfSunburstChart.Levels>

           <sunburst:SunburstHierarchicalLevel/>
           
</sunburst:SfSunburstChart.Levels>
SunburstHierarchicalLevel level = new SunburstHierarchicalLevel();
sunburstChart.Levels.Add(level);

GroupMemberPath

It is the string property used to map the group category value in sunburst ItemsSource.

You can define the Levels as shown in the code sample.

<sunburst:SfSunburstChart.Levels>

        <sunburst:SunburstHierarchicalLevel GroupMemberPath="Level1"/>
        <sunburst:SunburstHierarchicalLevel GroupMemberPath=" Level2"/>
        <sunburst:SunburstHierarchicalLevel GroupMemberPath=" Level3"/>

</sunburst:SfSunburstChart.Levels>
SunburstHierarchicalLevel level1 = new SunburstHierarchicalLevel();
level1.GroupMemberPath = "Level_1";

SunburstHierarchicalLevel level2 = new SunburstHierarchicalLevel();
level2.GroupMemberPath = "Level_2";

SunburstHierarchicalLevel level3 = new SunburstHierarchicalLevel();
level3.GroupMemberPath = "Level_3";

sunburstChart.Levels.Add(level1);
sunburstChart.Levels.Add(level2);
sunburstChart.Levels.Add(level3);