<ExtensionAttribute()>
Public Overloads Shared Function Combine( _
   ByVal selector As IProjectionSelector, _
   ByVal propertyName As String, _
   Optional ByVal alias As String _
) As AnonymousProjectionSelector

Dim selector As IProjectionSelector
Dim propertyName As String
Dim alias As String
Dim value As AnonymousProjectionSelector
 
value = DynamicQueryExtensions.Combine(selector, propertyName, alias)

[ExtensionAttribute()]
public static AnonymousProjectionSelector Combine( 
   IProjectionSelector selector,
   string propertyName,
   string alias
)

[ExtensionAttribute()]
public:
static AnonymousProjectionSelector^ Combine( 
   IProjectionSelector^ selector,
   String^ propertyName,
   String^ alias
) 

public void DynamicAnonQueryCombine() {
  var ps = new ProjectionSelector(typeof(Customer), "Id")
          .Combine("CompanyName")
          .Combine("City");
  var query = manager.Customers.Select(ps);
  var anonItems = query.Execute();
}