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The WPF Sunburst Chart, also known as a radial tree map, visualizes hierarchical data using a concentric circle layout. The innermost circle represents the root level in the hierarchy. Its rich feature set includes functionalities like data binding, legends, animations, data labels, selection,tooltips, and drill-down.

Sunburst levels

Add more than one hierarchical data level in the levels collection.

WPF Sunburst Chart shows multiple hierarchical levels.

Hierarchical levels

Visualize levels for a hierarchical data collection that contains tree-structured data.

WPF Sunburst Chart shows customized inner radius size.


Customize the inner and outer radii of a sunburst chart.

WPF Sunburst Chart shows customized angle for chart.

Angle customization

Customize the start and end angles of a sunburst chart to any direction to improve readability.

Data labels

Easily annotate the WPF Sunburst Chart segments with labels to help improve readability of data.

WPF Sunburst Chart shows customized data labels.

Label customization

Customize the look and feel of the default labels using the font style, size, and color properties.

WPF Sunburst Chart shows trimmed labels when label is overflowing.

Label overflow

Handle data overlapping or overflowing out of segments using label trimming or hiding functionalities.

WPF Sunburst Chart shows label rotation functionality.

Display mode

Display the data labels in either a normal or rotated direction to enhance readability.


Interactively select and highlight a segment. This is widely used to navigate to another page with the information of a selected segment or to update the information about a selected segment in the same page.

WPF Sunburst Chart shows highlighted segments by color.

Highlight with color

Select or highlight the segments with color to bring them to the center of attention.

WPF Sunburst Chart shows highlighted segment by opacity.

Highlight with opacity

Select or highlight the segments by reducing the transparency (opacity) of other segments to bring the selection to the center of attention.

WPF Sunburst Chart shows highlighted stroke.

Highlight with stroke

Select or highlight the segments with strokes to bring them to the center of attention.

Highlight segment in WPF sunburst with different types of selection modes.

Selection type

Select or highlight the segments by color to bring them to the center of attention. The WPF Sunburst Chart control provides options to highlight a segment as a group of entire node segments, the parent node of the selected segment, the child node of the selected segment, or the selected segment alone.

WPF Sunburst Chart shows highlighted background and stroke.


Selected colors and strokes can be customized.


Legends are used to provide valuable information for sunburst segments with various colors, shapes, or other identifiers.

WPF Sunburst Chart shows different types of legend icons.

Icon types

Change the type of legend icon to built-in shapes such as circles, rectangles, crosses, diamonds, triangles, or pentagons to improve readability of the chart.

WPF Sunburst Chart shows customized legend.


Customize the positioning of the legend to anywhere in the chart area. The default legend label font and icon can also be customized.


The tooltip displays a pop-up with additional information when the mouse pointer touches a data point. The tooltip view can be customized with a data template.

WPF Sunburst Chart shows tooltip when tapping segment.

Drill down

The WPF Sunburst Chart control provides a drill-down option with animation for visualizing large sets of data in a minimal data view.

WPF Sunburst Chart shows drilldown functionality when double tapping segment.


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