QUALIFIER_SHIFT
SHIFT key.
QUALIFIER_CTRL
CTRL key.
QUALIFIER_MOUSEHIT
Indication in ObjectData.DetectHandle() that the user pressed the mouse (ObjectData.DetectHandle() is also called for cursor information, when hovering over a handle). For instance if QUALIFIER_MOUSEHIT and QUALIFIER_CTRL are set, ObjectData.DetectHandle() could create a new element.
ObjectData.DetectHandle()