private void AttributeChange(Object src, XmlNodeChangedEventArgs args)
{
XmlAttribute attribute = src as XmlAttribute;
if(attribute.NamespaceURI.Length == 0)
{
switch(attribute.LocalName)
{
case "viewBox":
viewBox = null;
break;
case "preserveAspectRatio":
preserveAspectRatio = null;
break;
}
}
}