<ExtensionAttribute()>
Public Shared Function Not( _
   ByVal predicate As IPredicateDescription _
) As CompositePredicateDescription

Dim predicate As IPredicateDescription
Dim value As CompositePredicateDescription
 
value = DynamicQueryExtensions.Not(predicate)

[ExtensionAttribute()]
public static CompositePredicateDescription Not( 
   IPredicateDescription predicate
)

[ExtensionAttribute()]
public:
static CompositePredicateDescription^ Not( 
   IPredicateDescription^ predicate
) 

public void DynamicQueryNot() {
  var entityType = typeof(Product);
  var baseQuery = EntityQuery.Create(entityType);
  var pd = new PredicateDescription("Category.Name", FilterOperator.StartsWith, "A");
  var pdNot = pd.Not();
  var list = manager.ExecuteQuery(baseQuery.Where(pdNot));
}