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CriteriaOperator.UnregisterCustomFunction(ICustomFunctionOperator) Method

Unregisters a specified custom function from use in any CriteriaOperator-based criteria in your application.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Core.v19.1.dll


public static bool UnregisterCustomFunction(
    ICustomFunctionOperator customFunction
Public Shared Function UnregisterCustomFunction(
    customFunction As ICustomFunctionOperator
) As Boolean


Name Type Description
customFunction ICustomFunctionOperator

An ICustomFunctionOperator object instance specifying a custom function to unregister.


Type Description

true if the customFunction has successfully been removed from a collection returned by the CriteriaOperator.GetCustomFunctions function; otherwise, false.


To remove a custom function with a specific name, call the other CriteriaOperator.UnregisterCustomFunction overloaded method and pass the name as its parameter.

See Also