ImageGear ArtX Component provides the following enumerations:

enumAlignModes	Specifies horizontal and vertical alignment.
enumIGArtXAccess	Specifies mark accessibility state.
enumIGArtXArrowStyle	Specifies available arrow head styles.
enumIGArtXAttrAudio	Identifies attributes of audio annotations.
enumIGArtXAttrButton	Identifies attributes of button annotations.
enumIGArtXAttrCurve	Identifies attributes of curve annotations.
enumIGArtXAttrEllipse	Identifies attributes of ellipse annotations.
enumIGArtXAttrEncryption	Identifies attributes of encryption annotations.
enumIGArtXAttrGroup	Identifies attributes of group of annotations.
enumIGArtXAttrHotSpot	Identifies attributes of hot spot annotations.
enumIGArtXAttrImage	Identifies attributes of image annotations.
enumIGArtXAttrLine	Identifies attributes of line annotations.
enumIGArtXAttrLink	Identifies attributes of link annotations.
enumIGArtXAttrMark	Identifies attributes common for all annotations.
enumIGArtXAttrPage	Identifies attributes of ArtX pages.
enumIGArtXAttrPoint	Identifies attributes of point annotations.
enumIGArtXAttrPolygon	Identifies attributes of polygon annotations.
enumIGArtXAttrPolyline	Identifies attributes of polyline annotations.
enumIGArtXAttrProtractor	Identifies attributes of protractor annotations.
enumIGArtXAttrRectangle	Identifies attributes of rectangle annotations.
enumIGArtXAttrRichText	Identifies attributes of rich text annotations.
enumIGArtXAttrRuler	Identifies attributes of ruler annotations.
enumIGArtXAttrText	Identifies attributes of text annotations.
enumIGArtXBounds	Indicates the position of the mouse cursor relative to a mark selection rectangle.
enumIGArtXBurnInOptions	Specifies options for annotation burn-in.
enumIGArtXButtonState	Determines the state of button annotations.
enumIGArtXCalloutType	Specifies the type of callout drawn with text annotations.
enumIGArtXCoordType	Determines the type of coordinate system used to specify mark position.
enumIGArtXFontStyle	Describes the typeface style of a font.
enumIGArtXHighlightModes	Available visual styles to identify a hotspot area.
enumIGArtXHitTest	Specifies point hittest results for selected mark.
enumIGArtXMarkType	Specifies available annotation types.
enumIGArtXModifyReason	Specifies types of mark modifications.
enumIGArtXPenStyle	Specifies the line styles of lines used to draw annotation or its border.
enumIGArtXPinAlignment	Specifies alignment of Pin, assigned to text annotations.
enumIGArtXSaveFormat	Specifies format used to save annotations.
enumIGArtXSelectionType	Available line styles used to draw a mark or its border.
enumIGArtXTextType	Identifies the context of a mark’s text attribute.
enumIGArtXUndoAction	Identifies revertible mark actions.
enumIGArtXWrap	The wrap directions for text that overflows the limits of a mark’s bounding rectangle.