DbGeography.Difference Method (DbGeography)
Computes the difference of this DbGeography value and another DbGeography value.
Assembly: System.Data.Entity (in System.Data.Entity.dll)
The geography value for which the difference with this value should be computed.
Return ValueType: System.Data.Spatial.DbGeography
A new DbGeography value representing the difference between this geography value and other.
Available since 4.5