This is just a wild guess, havent even tested it properly.

VB.Net Code:
  1. Dim c As New Class1
  2.         Dim formatter As Runtime.Serialization.IFormatter = New Runtime.Serialization.Formatters.Binary.BinaryFormatter
  3.         Dim memStream As New IO.MemoryStream
  4.         formatter.Serialize(memStream, c)
  5.         Using b As New IO.BinaryReader(memStream)
  6.             Dim bte(b.BaseStream.Length) As Byte
  7.             b.Read(bte, 0, b.BaseStream.Length)
  8.         End Using
  9.         memStream.Close()