CriteriaOperator.RegisterCustomFunctions(IEnumerable<ICustomFunctionOperator>) Method

Registers the specified custom functions.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.XamarinForms.Core.dll

Declaration

public static void RegisterCustomFunctions(
    IEnumerable<ICustomFunctionOperator> customFunctions
)

Parameters

Name	Type	Description
customFunctions	IEnumerable<ICustomFunctionOperator>	Custom functions to register in the Criteria Language.

Remarks

The CriteriaOperator.GetCustomFunction(String) and CriteriaOperator.GetCustomFunctions methods return registered functions.

You can use the CriteriaOperator.UnregisterCustomFunction(String) or CriteriaOperator.UnregisterCustomFunction(ICustomFunctionOperator) to cancel function registration.