CriteriaOperator.RegisterCustomFunction(ICustomFunctionOperator) Method
Registers a specified custom function to use in any CriteriaOperator-based criteria in your application.
Namespace: DevExpress.Data.Filtering
Assembly: DevExpress.Data.v23.2.dll
NuGet Package: DevExpress.Data
Declaration
Parameters
Name | Type | Description |
---|---|---|
customFunction | ICustomFunctionOperator | An ICustomFunctionOperator object specifying a custom function to register. |
Remarks
To access custom functions registered via the RegisterCustomFunction and CriteriaOperator.RegisterCustomFunctions method calls, call the CriteriaOperator.GetCustomFunctions function. To search for a specific registered custom function, call the CriteriaOperator.GetCustomFunction function.
Note
The RegisterCustomFunction method throws an exception if the customFunction has already been registered.
Related GitHub Examples
The following code snippets (auto-collected from DevExpress Examples) contain references to the RegisterCustomFunction(ICustomFunctionOperator) method.
Note
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