How to serialize property of type Object with XmlSerializer

Question

I have a property:

public object Tag

but it can contain finite number of types, unfortunately without base type (except object type). But w

Answer 1

You can also use [XmlInclude(typeof(YourType))] on the class that contains the object property. So in the case of the OP, it would look like this

[XmlInclude(typeof(PossibleClassOne))]
[XmlInclude(typeof(PossibleClassTwo))]
public class MyClass
{
   public object Tag { get; set; }
}

This way, you can keep your element name in all cases