Public Overloads Shared Function And( _
   ByVal ParamArray predicateDescriptions() As IPredicateDescription _
) As CompositePredicateDescription

Dim predicateDescriptions() As IPredicateDescription
Dim value As CompositePredicateDescription
 
value = PredicateBuilder.And(predicateDescriptions)

public static CompositePredicateDescription And( 
   params IPredicateDescription[] predicateDescriptions
)

public:
static CompositePredicateDescription^ And( 
   ... array<IPredicateDescription^>^ predicateDescriptions
) 

public void AndQuery() {
  var mgr = new DomainModelEntityManager();

  var expr1 = new PredicateDescription(typeof(Customer), "Country", FilterOperator.IsEqualTo, "Mexico");
  var expr2 = new PredicateDescription(typeof(Customer), "CompanyName", FilterOperator.StartsWith, "A");

  // Where companyname starts with A and country = mexico
  var finalcrit = PredicateBuilder.And(expr1, expr2);
  var query = mgr.Customers.Where(finalcrit);
  var list = query.ToList();
}