Controls the export and marshalling of a single argument of 
            an exported Excel add-in function.
            
    Namespace: 
   XllPlusAssembly: Psl.XL6.XnReflect.Runtime (in Psl.XL6.XnReflect.Runtime.dll) Version: 6.3.4.831 (6.3.4.0831)
Syntax
| C# | 
|---|
public class XllArgumentAttribute : Attribute, IComparable, ICloneable  | 
| Visual Basic (Declaration) | 
|---|
Public Class XllArgumentAttribute _ Inherits Attribute _ Implements IComparable, ICloneable  | 
| Visual C++ | 
|---|
public ref class XllArgumentAttribute : public Attribute, IComparable, ICloneable  |