Public polygon As New List(Of PointF)
    Public vMarker As New List(Of clsMarker)

<Serializable()> <System.Xml.Serialization.XmlInclude(GetType(Bitmap))> _
  Public Class clsMarker
 
    Private _vAusrichtung As enuAusrichtung
    Public Property vAusrichtung() As enuAusrichtung
        Get
            Return _vAusrichtung
        End Get
        Set(ByVal value As enuAusrichtung)
            _vAusrichtung = value
        End Set
    End Property
 
    Public Koordinaten As PointF
    Public objHintergrundbild As Object
 
    <Xml.Serialization.XmlIgnore()> _
    Public Property Hintergrundbild() As Image
        Get
 
            Dim strToByte() As Byte
            strToByte = objHintergrundbild
            If Not strToByte Is Nothing Then
                Return Image.FromStream(New System.IO.MemoryStream(strToByte))
            End If
            Return Nothing
        End Get
        Set(ByVal Value As Image)
 
            Dim msMemoryStream As New System.IO.MemoryStream()
 
            Value.Save(msMemoryStream, System.Drawing.Imaging.ImageFormat.Png)
            Dim myByte(msMemoryStream.Length - 1) As Byte
            msMemoryStream.Position = 0 : msMemoryStream.Read(myByte, 0, _
              msMemoryStream.Length)
            objHintergrundbild = myByte
        End Set
    End Property
End Class

objHintergrundbild _
  xsi:type="xsd:base64Binary">iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AA_
  AAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAOSURBVCh_
  TY2AYBYMzBAABmgABVDKHNgAAAABJRU5ErkJggg==</objHintergrundbild>

objHintergrundbild xsi:type="Bitmap"><Palette /></objHintergrundbild>