Creates a copy of this geometry's envelope and returns it.
[Visual Basic 6.0] Property Envelope As IEnvelope
[Visual Basic .NET] Public ReadOnly Property Envelope As IEnvelope
[C#] public IEnvelope Envelope {get;}
[Java] public IEnvelope getEnvelope() throws IOException, AutomationException
[C++] HRESULT get_Envelope( IEnvelope** newEnvelope );
Returns the unique Envelope that binds the Geometry object. This is the smallest Envelope that Contains the object.
