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.v20.2.dll
Declaration
public static void RegisterCustomFunction(
ICustomFunctionOperator customFunction
)Public Shared Sub RegisterCustomFunction(
customFunction As ICustomFunctionOperator
)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.
See Also
Feedback