1 using System.Runtime.InteropServices; 2 3 public struct CONNECTDATA 4 { 5 [MarshalAs (10)] 6 public object pUnk; 7 [MarshalAs (UnmanagedType.BStr)] 8 public int dwCookie; 9 } 10 11 public class C 12 { Main()13 public static void Main () {} 14 } 15