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FunctionManager

Class

Central registry for managing spreadsheet functions, enabling registration, unregistration, and lookup of built-in and custom functions by name.

Definition

Assembly:Telerik.Windows.Documents.Spreadsheet.dll

Syntax:

public static class FunctionManager

Inheritance: objectFunctionManager

Retrieves all currently registered functions sorted by name for enumeration or discovery purposes.

public static IEnumerable<FunctionBase> GetAllFunctions()

Returns:

FunctionBase instances of all registered functions.

Retrieves a registered function by name (case-insensitive) and returns null if not found.

public static FunctionBase GetFunctionByName(string functionName)

Parameters:functionNamestring

Name of the function.

Returns:

An FunctionBase instance.

Adds or replaces a function in the registry, making it available for use in formulas by its name.

public static void RegisterFunction(FunctionBase function)

Parameters:functionFunctionBase

The function.

Removes a function from the registry by instance, making it unavailable for use in formulas.

public static void UnregisterFunction(FunctionBase function)

Parameters:functionFunctionBase

The function.

Removes a function from the registry by name (case-insensitive), making it unavailable for use in formulas.

public static void UnregisterFunction(string functionName)

Parameters:functionNamestring

Name of the function.