ArcObjects Library Reference (Display)  

esriLineConstraints Constants

Esri line constraint types.

Constant Value Description
esriLineConstraintsNone 0 No line constraint.
esriLineConstraintsVertical 1 Constrain line to vertical.
esriLineConstraintsHorizontal 2 Constrain line to horizontal.

Product Availability

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