BinaryFormatter Error assistance

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Hi,

I have a webservice returning a serialized class

as

Webservice

Function GetImage(code as string) as Byte()

Dim objBitmap As Bitmap = GetTheImage(code)

objBitmap.Save(ms, ImageFormat.Bmp)

Dim ic As New ImageClass

ic.myImage = ms.ToArray

Dim bf As New BinaryFormatter

Dim ms1 As New MemoryStream

bf.Serialize(ms1, ic)

Return (ms.ToArray)

End Function

My Application

Try

Dim s As New ImageWebservice

Dim b As Byte() = s.GetImage("12345")

Dim ms As New MemoryStream(b)

Dim bf As New BinaryFormatter()

Dim ic As ImageClass = DirectCast(bf.Deserialize(ms), ImageClass)

Dim ms2 As New MemoryStream(ic.myImage)

Dim bt As New Bitmap(ms2) '= DirectCast(Image.FromStream(ms2), Bitmap)

PictureBox1.Image = bt

ms.Close()

b = Nothing

ms = Nothing

Catch ex As Exception

MsgBox(ex.Message)

Finally

End Try

This is the image class.......separate .dll project

Imports System

Imports System.Reflection

Imports System.Drawing

<Serializable()_

Public Class ImageClass

Public myImage As Byte()

Public Sub New()

End Sub

End Class

When I run my application which calls the webservice I get the error

---------------------------
TestHarness
---------------------------
The input stream is not a valid binary format. The starting contents (in
bytes) are: 42-4D-42-3C-00-00-00-00-00-00-36-00-00-00-28-00-00 ...
---------------------------
OK
---------------------------

I am using VB 2005 for both and the webserice is running on the same client
XP SP2.

Any ideas?

Thanks