protected override void OnRead(IXmlCodeReader reader, XmlNode node) { XmlNode nd = node.SelectSingleNode(XML_Value); if (nd != null) { if (ValueType == EnumValueType.ConstantValue) { ConstantValue.OnReadFromXmlNode(reader, nd); } else if (ValueType == EnumValueType.MathExpression) { MathExpression.OnReadFromXmlNode(reader, nd); } else if (ValueType == EnumValueType.Property) { if (!XmlUtil.GetAttributeBoolDefFalse(nd, XmlTags.XMLATT_IsNull)) { Property = reader.ReadObject(nd, this) as IObjectPointer; } } } }