ICustomFunctionOperator Interface

Declares the base functionality for custom functions.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v14.2.dll

Declaration

C#

public interface ICustomFunctionOperator

VB.NET

Public Interface ICustomFunctionOperator

Returned By

The CriteriaOperator.GetCustomFunction(String) method returns an instance of ICustomFunctionOperator.

Remarks

The ICustomFunctionOperator interface declares only the essential members, allowing you to identify a custom function and evaluate its values on the client. To add advanced capabilities to your custom functions, the DevExpress.Data.Filtering.ICustomFunctionOperatorBrowsable and DevExpress.Data.Filtering.ICustomFunctionOperatorFormattable interfaces need to be implemented as well.