Length3D Method—ArcGIS Pro

Gets the 3D length for a specified geometry.

Syntax

double Length3D( 
   Geometry geometry
)

Function Length3D( _
   ByVal geometry As Geometry _
) As Double

The calculated length in the same units as the geometry's spatial reference unit.

Exceptions

Exception	Description
System.ArgumentNullException	Geometry is null or empty.
System.NotImplementedException	The method is not implemented for GeometryBag or Multipatch.
System.InvalidOperationException	The geometry is not Z-Aware.
OperationException	Cannot do 3D operations on curve segments.
GeometryObjectException	Geometry is not a polyline or polygon.

Remarks

The geometry must be z-aware or else an exception is thrown.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7