ICustomFunctionOperator Interface

Declares the base functionality for custom functions.

Namespace: DevExpress.WinUI.Data.Filtering

Assembly: DevExpress.WinUI.Core.v21.1.dll

Declaration

C#

public interface ICustomFunctionOperator

VB.NET

Public Interface ICustomFunctionOperator

Related API Members

The following members accept/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.WinUI.Data.Filtering.ICustomFunctionOperatorBrowsable and DevExpress.WinUI.Data.Filtering.ICustomFunctionOperatorFormattable interfaces need to be implemented as well.