Direction Units.
[Visual Basic .NET] Public Property DirectionUnits As esriDirectionUnits
[C#] public esriDirectionUnits DirectionUnits {get; set;}
Product Availability
Available with ArcGIS Desktop.
Remarks
The direction units define how angles are specified; how many parts a complete circle is divided into and how to interpret the angle value entered. The default value is esriDUDecimalDegrees.