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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.Data.v23.1.dll

NuGet Package: DevExpress.Data


public static bool UnregisterCustomFunction(
    ICustomFunctionOperator customFunction


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.

The following code snippets (auto-collected from DevExpress Examples) contain references to the UnregisterCustomFunction(ICustomFunctionOperator) method.


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