Public Overloads Sub RefreshAsync( _
   ByVal sessionId As String, _
   ByVal connectionName As String, _
   ByVal userState As Object _
) 

Dim instance As ExcelService
Dim sessionId As String
Dim connectionName As String
Dim userState As Object
 
instance.RefreshAsync(sessionId, connectionName, userState)

public void RefreshAsync( 
   string sessionId,
   string connectionName,
   object userState
)