[in, out] LabelLockMode – Determines which of the label position parameters are adjusted automatically to face the camera and which are locked to the Position parameters. Can have one of the following values:
LM_DECAL = 0
LM_AXIS = 1
LM_AXIS_TEXTUP = 2
LM_AXIS_AUTOPITCH = 3
LM_AXIS_AUTOPITCH_TEXTUP = 4