"Armond VanHeusen" wrote:

> I have an application with a bunch of DLLs that are loaded in as plugins. In
> one of these I am trying to get XMLSerialization to work but with little
> success. I then tried some very simple code shown below as a quick and dirty
> test. The kicker is that it works perfectly in the EXE and every DLL except
> one. In the one I need it to as a matter of fact. The symptoms is that no
> exception is thrown unless I am in the Exceptions window (the CTRL+ALT+E
> one) and have Break Into Debugger set, at which point I am told there is an
> InvalidCastException with no further information detailed. If I disable the
> 'Break Into Debugger' then no exception is raised at all but the code skips
> a line and nothing gets outputted.
>
> Does anybody have any diea what could possibly make this identical code work
> in one place but not another?
>
>
> module Test
>
>             Public Function GenerateStringTest() As String
>
>                 Dim x As New Test
>                 x.Quantity = 1000
>
>                 Dim xmlOut As XmlSerializer
>                 Dim stream_writer As MemoryStream
>
>                 Try
>                     xmlOut = New XmlSerializer(GetType(Test))
>                     stream_writer = New MemoryStream
>                     xmlOut.Serialize(stream_writer, x) '<---- this line
> throws an InvalidCastException
>                     stream_writer.Close()
>                     Dim encoding As New UTF8Encoding
>                     Return encoding.GetString(stream_writer.ToArray())
>                 Catch ex As Exception
>                     Return ""
>                 End Try
>
>             End Function
>
> end module
>
>
> Public Class Test
>     Public Quantity As Double
>     Public Sub New()
>     End Sub
> End Class
>
>
>
>