AddCustomFunction Method (DefaultSheetDataModel)

In This Topic

Adds a new user-defined custom function to the model for use in formulas.

Syntax

Visual Basic
C#

'Declaration
 
Public Sub AddCustomFunction( _
   ByVal functionInfo As FunctionInfo _
)

'Usage
 
Dim instance As DefaultSheetDataModel
Dim functionInfo As FunctionInfo
 
instance.AddCustomFunction(functionInfo)

public void AddCustomFunction( 
   FunctionInfo functionInfo
)

Parameters

functionInfo: FunctionInfo object that contains the user-defined function to add

Exceptions

Exception	Description
System.ArgumentNullException	No function specified; function is a null reference (Nothing in Visual Basic)

Remarks

A user-defined function (FunctionInfo object) must be marked with the Serializable attribute or an exception occurs if the data model is saved to view state, a file, or otherwise serialized.

For more information on using custom functions in formulas, refer to the Formula Reference.

Example

This example adds a custom function to the data model.

C#
Visual Basic

Reference

DefaultSheetDataModel Class
DefaultSheetDataModel Members