API

AreaAnnotation command

This command adds an annotation area to the target PDF file. Annotation area properties are provided as command arguments listed in the following table:

Property	Description
BackgroundColor	Annotation area background represented as decimal code
Box	Defines annotation position on the current page
Opacity	Defines the degree to which content behind the box is hidden
PenColor	Indicates frame color
PenStyle	Indicates frame line style (solid, dash, dot, etc.)
PenWidth	Indicates frame line width in pixels

For an example of the AreaAnnotation command, see Feature-Rich PDF Annotator for C#/.NET Developers