This enumeration specifies available annotation types.

Values:

IG_ARTX_MARK_SELECT	Select mark.
IG_ARTX_MARK_IMAGE_EMBEDDED	Embedded mark.
IG_ARTX_MARK_IMAGE_REFERENCE	Reference mark.
IG_ARTX_MARK_LINE	Line mark.
IG_ARTX_MARK_FREEHAND_LINE	Freehand line mark.
IG_ARTX_MARK_HOLLOW_RECTANGLE	Hollow rectangle mark.
IG_ARTX_MARK_FILLED_RECTANGLE	Filled rectangle mark.
IG_ARTX_MARK_TYPED_TEXT	Typed text mark.
IG_ARTX_MARK_TEXT_FROM_FILE	Text-from-File mark.
IG_ARTX_MARK_TEXT_STAMP	Text stamp mark.
IG_ARTX_MARK_ATTACH_A_NOTE	Attach-a-note mark.
IG_ARTX_MARK_FILLED_POLYGON	Filled polygon mark.
IG_ARTX_MARK_HOLLOW_POLYGON	Hollow polygon mark.
IG_ARTX_MARK_POLYLINE	Polyline mark.
IG_ARTX_MARK_AUDIO	Audio mark.
IG_ARTX_MARK_FILLED_ELLIPSE	Filled ellipse mark.
IG_ARTX_MARK_HOLLOW_ELLIPSE	Hollow ellipse mark.
IG_ARTX_MARK_ARROW	Arrow mark.
IG_ARTX_MARK_HOTSPOT	Hotspot mark.
IG_ARTX_MARK_REDACTION	Redaction mark.
IG_ARTX_MARK_ENCRYPTION	Encryption mark.
IG_ARTX_MARK_RULER	Ruler mark.
IG_ARTX_MARK_PROTRACTOR	Protractor mark.
IG_ARTX_MARK_BUTTON	Button mark.
IG_ARTX_MARK_PIN_UP_TEXT	Pin-up text mark.
IG_ARTX_MARK_HIGHLIGHTER	Highlighter mark.
IG_ARTX_MARK_RICH_TEXT	Rich text mark.
IG_ARTX_MARK_POINT	Point mark.
IG_ARTX_MARK_CURVE	Curve mark.
IG_ARTX_MARK_CALLOUT	Callout mark.
IG_ARTX_MARK_RECTANGLE	Rectangle mark.
IG_ARTX_MARK_ELLIPSE	Ellipse mark.
IG_ARTX_MARK_POLYGON	Polygon mark.
IG_ARTX_MARK_TEXT	Text mark.
IG_ARTX_MARK_IMAGE	Image mark.