Returns whether the two Geometrys are equal, from the point of view of the equalsExact method.
Overridable Protected Function IsEquivalentClass( _
ByVal geometry As Geometry _
) As Boolean
Returns true if the classes of the two Geometries are considered to be equal by the equalsExact method.
Called by equalsExact. In general, two Geometry classes are considered to be "equivalent" only if they are the same class. An exception is LineString, which is considered to be equivalent to its subclasses.