| Silverlight 5 | WinRT |
| public abstract interface IExpando | |
| : IReflect | |
| public abstract virtual FieldInfo AddField(String name); | |
| public abstract virtual MethodInfo AddMethod(String name, Delegate method); | |
| public abstract virtual PropertyInfo AddProperty(String name); | |
| public abstract virtual void RemoveMember(MemberInfo m); |