Annotations

Updated on Aug 27, 2026

Annotations are visual elements that can be used to highlight certain areas on the plot area and denote significant values.

RadChartView provides the following types of annotations:

• Cartesian grid line

• Cartesian plot band

• Cartesian marked zone

• Polar axis grid line (associated with the polar axis)

• Polar axis plot band (associated with the polar axis)

• Polar axis grid line (associated with the radial axis)

• Radial axis plot band (associated with the radial axis)

Figure 1: Chart Annotations

Common Properties

Property	Description
ClipToPlotArea	Gets or sets a value indicating whether this instance will be clipped to the bounds of the plot area.
DrawMode	Gets or sets a value indicating the position of the annotation in the chart draw stack.
PositonOffset	Gets or sets the offset of the label of the annotations in pixels.

Draw Mode

The DrawMode property indicates whether the annotation should be drawn above the data points or beneath them.

Figure 2: Annotations Draw Mode

See Also

• Axes
• Series Types
• Populating with Data