'Declaration
 
Public Sub UserDataAdd( _
   ByVal key As String, _
   ByVal newVal As String _
) 

'Usage
 
Dim instance As Layer
Dim key As String
Dim newVal As String
 
instance.UserDataAdd(key, newVal)

public void UserDataAdd( 
   string key,
   string newVal
)

public: void UserDataAdd( 
   string* key,
   string* newVal
) 

public:
void UserDataAdd( 
   String^ key,
   String^ newVal
)