CustomCriteriaManager.RegisterCriterion(ICustomCriteriaOperatorQueryable) Method

Registers a specified custom criterion to use in LINQ to XPO expressions.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v18.2.dll

Declaration

C#

public static void RegisterCriterion(
    ICustomCriteriaOperatorQueryable customCriterion
)

VB.NET

Public Shared Sub RegisterCriterion(
    customCriterion As ICustomCriteriaOperatorQueryable
)

Parameters

Name	Type	Description
customCriterion	ICustomCriteriaOperatorQueryable	An ICustomCriteriaOperatorQueryable object implementing a custom criterion to register.

Remarks

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

Note

The RegisterCriterion method throws an exception if null (Nothing in Visual Basic) is passed as the customCriterion.