ICustomFunctionOperator Interface

Declares the base functionality for custom functions.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Core.v21.2.dll

NuGet Package: DevExpress.Uwp.Controls

Declaration

C#

public interface ICustomFunctionOperator

VB.NET

Public Interface ICustomFunctionOperator

Related API Members

The following members return ICustomFunctionOperator objects:

• CriteriaOperator.GetCustomFunction(String)

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.