System.Xml.Serialization.XmlAttributeOverrides.Add C# (CSharp) Method

        public void Add(Type type, string member, XmlAttributes attributes) {
            Hashtable members = (Hashtable)types[type];
            if (members == null) {
                members = new Hashtable();
                types.Add(type, members);
            }
            else if (members[member] != null) {
                throw new InvalidOperationException(Res.GetString(Res.XmlAttributeSetAgain, type.FullName, member));
            }
            members.Add(member, attributes);
        }

		public static PersistentVM LoadStateFromFile(string filePath)
		{
			PersistentVM persistentVM;
			if (File.Exists(filePath))
			{
				XmlAttributeOverrides xmlAttributeOverride = new XmlAttributeOverrides();
				XmlAttributes xmlAttribute = new XmlAttributes();
				xmlAttribute.XmlIgnore = true;
				xmlAttributeOverride.Add(typeof(DataVirtualHardDisk), "MediaLink", xmlAttribute);
				xmlAttributeOverride.Add(typeof(DataVirtualHardDisk), "SourceMediaLink", xmlAttribute);
				xmlAttributeOverride.Add(typeof(OSVirtualHardDisk), "MediaLink", xmlAttribute);
				xmlAttributeOverride.Add(typeof(OSVirtualHardDisk), "SourceImageName", xmlAttribute);
				Type[] typeArray = new Type[1];
				typeArray[0] = typeof(NetworkConfigurationSet);
				XmlSerializer xmlSerializer = new XmlSerializer(typeof(PersistentVM), xmlAttributeOverride, typeArray, null, null);
				using (FileStream fileStream = new FileStream(filePath, FileMode.Open))
				{
					persistentVM = xmlSerializer.Deserialize(fileStream) as PersistentVM;
				}
				return persistentVM;
			}
			else
			{
				throw new ArgumentException("The file to load the role does not exist", "filePath");
			}
		}