<ExtensionAttribute()>
Public Overloads Shared Function Include(Of TQuery As ITypedEntityQuery)( _
   ByVal query As TQuery, _
   ByVal propertyPath As String _
) As TQuery

Dim query As TQuery
Dim propertyPath As String
Dim value As TQuery
 
value = EntityQueryExtensions.Include(Of TQuery)(query, propertyPath)

[ExtensionAttribute()]
public static TQuery Include<TQuery>( 
   TQuery query,
   string propertyPath
)
where TQuery: ITypedEntityQuery

[ExtensionAttribute()]
public:
static TQuery^ Includegeneric<typename TQuery>
( 
   TQuery^ query,
   String^ propertyPath
) 
where TQuery: ITypedEntityQuery

DomainModelEntityManager mgr = new DomainModelEntityManager();

// Query for some customers, and include their orders and details in query.
var query1 = mgr.Customers
  .Where(c => c.Id < 5)
  .Include("OrderSummaries.OrderDetails");

foreach (Customer c in query1) {
  Console.WriteLine("order count = " + c.OrderSummaries.Count);
}

// Query for orders including details where the customer is in London
var query2 = mgr.OrderSummaries.Include("OrderDetails")
    .Where(c => c.Customer.City == "London");

var results = query2.ToList();