Class FunctionManager

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

Inheritance
System.Object
FunctionManager
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Telerik.Windows.Documents.Spreadsheet.Expressions.Functions
Assembly: Telerik.Windows.Documents.Spreadsheet.dll

Syntax

public static class FunctionManager

Methods

GetAllFunctions()

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

Declaration
public static IEnumerable<FunctionBase> GetAllFunctions()
Returns
System.Collections.Generic.IEnumerable<FunctionBase>

FunctionBase instances of all registered functions.

GetFunctionByName(String)

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

Declaration
public static FunctionBase GetFunctionByName(string functionName)
Parameters
System.String functionName

Name of the function.
Returns
FunctionBase

An FunctionBase instance.

RegisterFunction(FunctionBase)

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

Declaration
public static void RegisterFunction(FunctionBase function)
Parameters
FunctionBase function

The function.

UnregisterFunction(String)

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

Declaration
public static void UnregisterFunction(string functionName)
Parameters
System.String functionName

Name of the function.

UnregisterFunction(FunctionBase)

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

Declaration
public static void UnregisterFunction(FunctionBase function)
Parameters
FunctionBase function

The function.