Namespace: BitMiracle.Docotic.Pdf
public PdfFileAnnotationIcon Icon { get; set; }
Public Property Icon As PdfFileAnnotationIcon Get Set
Default value: Pushpin.
Changing the value of this property to Custom creates a new PdfXObject and assigns it to the NormalAppearance property. The appearance of the annotation is defined by the NormalAppearance property.
Changing the value of this property from Custom to any other icon resets the NormalAppearance property to null.