主要API:1 [DllImport("oleacc.dll", PreserveSig = false)]
2 [return: MarshalAs(UnmanagedType.Interface)]
3 public static extern object ObjectFromLresult(UIntPtr lResult,
4 [MarshalAs(UnmanagedType.LPStruct)] Guid refiid, IntPtr wParam);
3 public static extern object ObjectFromLresult(UIntPtr lResult,
4 [MarshalAs(UnmanagedType.LPStruct)] Guid refiid, IntPtr wParam);