LineToGroundType

[out, retval] LineType – An enum indicating whether or not a line should extend down from the label’s pivot and how long it should be. The following are its enumerations:

• LINE_TYPE_NONE = 0
  No line extends down from the label’s pivot.

• LINE_TYPE_TO_GROUND = 1
  A line extends down to the ground from the label’s pivot.

• LINE_TYPE_CUSTOM = 2
  A line with a custom length (determined by the LineLength property) extends down from the label’s pivot.