Parse XML to Vector3 (and other objects you don't control)

Hello,

I am attempting to parse XML into a Vector3 using the least amount of code possible. Since Vector3 is not a Serializable class, there appears to be no way to populate a Vector3 from XML "automatically".

Basically, I pass the attribute directly into a property named Position_Surrogate. This property then uses a Vector3 extension method to populate the real Vector3 object (named position).

I am wondering if anyone out there has a better or more elegant solution.

The XML

 <?xml version="1.0" encoding="utf-8"?>
 <Test Name="Test" Position="1.0, 2.0, 3.0">
 </Test>

The Vector3

 public Vector3 position;
 
 [XmlAttribute("Position")]
 public string Position_Surrogate{
     get{ return ""; }
     set{ 
         position = new Vector3().FromString(value);
     }
 }

The Vector3 Extension Method

 public static class Vector3Helper
 {
 
     public static Vector3 FromString(this Vector3 vector, string value){
         string[] temp = value.Replace(" ", "").Split(',');
         vector.x = float.Parse(temp[0]);
         vector.y = float.Parse(temp[1]);
         vector.z = float.Parse(temp[2]);
         
         return vector;
     }
 }