ArcGIS Developer Help

ICircularArc.IsLine Property

Indicates if the arc has degenerated to a line (radius is infinite).

[Visual Basic .NET]
Public ReadOnly Property IsLine As Boolean

[C#]
public bool IsLine {get;}

[C++]
HRESULT get_IsLine(
  Boolean* IsLine
);

[C++]
Parameters
IsLine [out, retval]

  IsLine is a parameter of type bool*

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

IsLine returns TRUE when the Radius of the CircularArc is Infinity.

A CircularArc that returns TRUE can be constructed using ConstructThreePoints and three colinear points.

CircularArc IsLine Example