placement
The preferred position of the text label, with respect to its feature geometry. The default is LabelingPlacement.Automatic. The effect of this is the same as one of the following, depending on the type of feature geometry:
LabelingPlacement.PointAboveRight for point features
LabelingPlacement.PolygonAlwaysHorizontal for polygon features
LabelingPlacement.LineAboveAlong for line features