| Class | Description | |
|---|---|---|
![]()  | Function | Override this class to implement a SpreadsheetGear custom function. | 
| 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. | 
| Enumeration | Description | |
|---|---|---|
![]()  | ValueType | Specifies the type of a value. | 
![]()  | Volatility | Specifies the volatility of a custom function. | 
    
    
    
    
    
    

