Returns the boundary, or the empty geometry if this Geometry is empty.
[Visual Basic]
Function GetBoundary() As Geometry
Returns the closure of the combinatorial boundary of this geometry.
For discussion of this function, see the OpenGIS Simple Features Specification. As stated in SFS Section 2.1.13.1 "the boundary of a Geometry is a set of Geometries of the next lower dimension."
IGeometry Interface | IGeometry Members | Geotools.Geometries Namespace