This enumeration identifies attributes of button annotations.

Values:

IG_ARTX_ATTR_BUTTON_BOUNDS	Identifies annotation bounding rectangle.
IG_ARTX_ATTR_BUTTON_FILLCOLOR	Identifies attributes of annotation fill color.
IG_ARTX_ATTR_BUTTON_TEXTCOLOR	Identifies attributes of annotation text color.
IG_ARTX_ATTR_BUTTON_TEXT	Identifies annotation text.
IG_ARTX_ATTR_BUTTON_FONT	Identifies attributes of annotation text font. Font is specified as AT_ARTX_FONT structure.
IG_ARTX_ATTR_BUTTON_LOGFONT	Identifies attributes of annotation text font. Font is specified as AT_LOGFONT structure.
IG_ARTX_ATTR_BUTTON_OPACITY	Identifies annotation opacity.
IG_ARTX_ATTR_BUTTON_ORIENTATION	Identifies orientation of annotation text.
IG_ARTX_ATTR_BUTTON_HITTEST_BOUNDS	This value has been deprecated and will be removed from the public API in a future release.