USE_DAMAGE_RECT - If this flag is set, only the
damaged area needs to be displayed. The damaged rectangle may be
retrieved using INode::GetDamagedRect(). See Class
INode.DISP_SHOWSUBOBJECT - This indicates
if an item should display its sub-object selection state. The
system will set this flag is the item is selected, the user is in
the modify branch, and the item is in sub-object selection
mode.