Dim ms As New IO.MemoryStream

rawData = New Byte(FileSize) {}
myData.GetBytes(myData.GetOrdinal("filedata1"), 0, rawData, 0, FileSize)
myMemoryStream = New MemoryStream(100000)
myMemoryStream.Write(rawData, 0, FileSize)
 
Dim myMS_Data As MemoryStream = Nothing
Try
   If myMemoryStream.Length > 0 Then
       picturebox.image = New Bitmap(myMemoryStream)
   Else
       picturebox.image = nothing
   End If
   Catch ex As Exception
...