| Class | Description | |
|---|---|---|
 | AnnotationBase | Represents the base class of annotations for the AnnotationLayer |
| AnnotationLayer | Represents an annotation layer for C1.WinUI.Chart.FlexChart |
| Circle | Represents a circle annotation for AnnotationLayer |
| Ellipse | Represents an ellipse annotation for AnnotationLayer |
| Image | Represents an image annotation for the AnnotationLayer |
| Line | Represents a line annotation for AnnotationLayer |
| Polygon | Represents a polygon annotation for AnnotationLayer |
| Rectangle | Represents a rectangle annotation for AnnotationLayer |
| Shape | Represents a base class of shape annotations for the AnnotationLayer |
| Square | Represents a square annotation for the AnnotationLayer |
| Template | Represents template-based annotation. |
| Text | Represents a text annotation for the AnnotationLayer |