FunctionOperator Class

The operator in Criteria Language expressions that represents a function.

Namespace: DevExpress.XamarinForms.Core.Filtering

Assembly: DevExpress.XamarinForms.Core.dll

NuGet Package: DevExpress.XamarinForms.Core

Declaration

[Serializable]
public class FunctionOperator :
    CriteriaOperator

The following members return FunctionOperator objects:

The FunctionOperator supports custom functions. All custom function objects should implement the ICustomFunctionOperator interface, and you should register them using the CriteriaOperator.RegisterCustomFunction or CriteriaOperator.RegisterCustomFunctions method.

FunctionOperator