Handle to the PDE XGroup object. XGroup - a transparency (XGroup) resource.

Members:

IG_PDE_xgroup_create	Creates a new XGroup of the given type.
IG_PDE_xgroup_get_colorspace	Acquires the color space of the transparency group.
IG_PDE_xgroup_get_isolated	Gets the isolated Boolean value of the transparency group.
IG_PDE_xgroup_get_knockout	Gets the knockout Boolean value of the transparency group.
IG_PDE_xgroup_set_colorspace	Sets the color space for the XGroup.
IG_PDE_xgroup_set_isolated	Sets the XGroup to be isolated or not.
IG_PDE_xgroup_set_knockout	Sets the knockout value.