RoutingDomain.Empty field
The Empty field contains an empty instance of the RoutingDomain structure that contains a null reference (Nothing in Visual Basic) for the domain. This member was introduced in Microsoft Exchange Server 2007 Service Pack 1 (SP1).
Namespace: Microsoft.Exchange.Data.Transport
Assembly: Microsoft.Exchange.Data.Transport (in Microsoft.Exchange.Data.Transport.dll)
Syntax
'Declaration
Public Shared ReadOnly Empty As RoutingDomain
'Usage
Dim value As RoutingDomain
value = RoutingDomain.Empty
public static readonly RoutingDomain Empty