The IngresRowUpdatingEventHandler class declaration is as follows:

C#: [Serializable]
         public delegate void IngresRowUpdatingEventHandler
         ( object sender, IngresRowUpdatingEventArgs e)

VB.NET: <Serializable>
   Public Delegate Sub Ingres RowUpdatingEventHandler _
(ByVal sender As Object, ByVal e As IngresRowUpdatingEventArgs)