Identifies the Maplex overposter line labeling method.
| Constant | Value | Description | 
| esriMaplexCenteredHorizontalOnLine | 0 | Place the label centered and horizontal on line. | 
| esriMaplexCenteredStraightOnLine | 1 | Place the label centered and straight on line. | 
| esriMaplexCenteredCurvedOnLine | 2 | Place the label centered and curved on line. | 
| esriMaplexCenteredPerpendicularOnLine | 3 | Place the label centered and perpendicular on line. | 
| esriMaplexOffsetHorizontalFromLine | 4 | Place the label offset and horizontal from line. | 
| esriMaplexOffsetStraightFromLine | 5 | Place the label offset and straight from line. | 
| esriMaplexOffsetCurvedFromLine | 6 | Place the label offset and curved from line. | 
| esriMaplexOffsetPerpendicularFromLine | 7 | Place the label offset and perpendicular from line. | 
 
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.