private void SerializeBrushCollection()
{
string brushXmlPath = System.IO.Path.Combine(Application.dataPath, "BrushCollectionTest.xml");
BrushCollection brushes = new BrushCollection();
brushes.Brushes.Add(lineSketchObject.GetBrush());
brushes.Brushes.Add(patchSketchObject.GetBrush());
brushes.Brushes.Add(ribbonSketchObject.GetBrush());
Serializer.SerializeToXmlFile <BrushCollection>(brushes, brushXmlPath);
BrushCollection loadedBrushes;
Serializer.DeserializeFromXmlFile <BrushCollection>(out loadedBrushes, brushXmlPath);
Debug.Log(loadedBrushes.Brushes.Count);
}