The SpreadsheetGear.CustomFunctions namespace provides an API for defining custom functions which may be added to a workbook set.
            Classes
|   | Class | Description | 
  | Function  | Override this class to implement a SpreadsheetGear custom function. | 
 
            Interfaces
|   | Interface | Description | 
  | IArguments  | Represents the arguments of a custom function to the Function.Evaluate() method. | 
  | IValue  | Represents a simple value which may be empty, numeric, text, logical or an error. | 
 
            
            
            Enumerations
|   | Enumeration | Description | 
  | ValueType  | Specifies the type of a value. | 
  | Volatility  | Specifies the volatility of a custom function. | 
 
            
            
            See Also