Option values which determine the annotation background fill type.
| Member | Value | Description |
|---|---|---|
| PV_AnnotationFill_None | 0 | The annotation background is not filled. |
| PV_AnnotationFill_Opaque | 1 | The annotation background has a solid fill; none of the pixels under the annotation will be visible. |
| PV_AnnotationFill_Translucent | 2 | The annotation background has a translucent fill; the pixels under the annotation that are not the same color as the background color will be visible. |