.NET Framework 4.5.2+
.NET Framework 4.5.2+
.NET Standard 2.0+

CustomCriteriaManager.RegisterCriteria(IEnumerable<ICustomCriteriaOperatorQueryable>) Method

Registers specified custom criteria to use in LINQ to XPO expressions.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v21.2.dll


public static void RegisterCriteria(
    IEnumerable<ICustomCriteriaOperatorQueryable> customCriteria


Name Type Description
customCriteria IEnumerable<ICustomCriteriaOperatorQueryable>

A collection of ICustomCriteriaOperatorQueryable objects implementing custom criteria to register.


To access custom criteria registered via the RegisterCriteria and CustomCriteriaManager.RegisterCriterion method calls, call the CustomCriteriaManager.GetRegisteredCriteria function. To search for a specific registered custom criterion, call the CustomCriteriaManager.GetCriteria function.


The RegisterCriteria method throws an exception if one of the customCriteria collection’s elements is null (Nothing in Visual Basic).

See Also