ArcObjects Library Reference (Carto)  

esriMaplexConnectionType Constants

Identifies the connection types options in Maplex.

Constant Value Description
esriMaplexMinimizeLabels 0 Line labels may span junction avoiding the need for two labels.
esriMaplexUnambiguous 1 Line labels are placed either side of junction to avoid ambiguity.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.