<ExtensionAttribute()>
Public Overloads Shared Function Filter(Of TQuery As ITypedEntityQuery)( _
   ByVal query As TQuery, _
   ByVal filters As EntityQueryFilterCollection _
) As TQuery

Dim query As TQuery
Dim filters As EntityQueryFilterCollection
Dim value As TQuery
 
value = EntityQueryExtensions.Filter(Of TQuery)(query, filters)

[ExtensionAttribute()]
public static TQuery Filter<TQuery>( 
   TQuery query,
   EntityQueryFilterCollection filters
)
where TQuery: ITypedEntityQuery

[ExtensionAttribute()]
public:
static TQuery^ Filtergeneric<typename TQuery>
( 
   TQuery^ query,
   EntityQueryFilterCollection^ filters
) 
where TQuery: ITypedEntityQuery

public void FilteringSample() {
  // Query for all customers.  A filter will be applied prior to execution.
  var mgr = new DomainModelEntityManager();
  mgr.Querying += new EventHandler<EntityQueryingEventArgs>(mgr_Querying);
  var list = mgr.Customers.ToList();
}

// Client-side filtering in the EM.Querying event handler
private void mgr_Querying(object sender, EntityQueryingEventArgs e) {
  EntityQueryFilterCollection clientFilters = new EntityQueryFilterCollection();
  clientFilters.AddFilter<Customer>(q => q.Where(c => c.Country == "UK"));
  e.Query = e.Query.Filter(clientFilters);
}