get max value in a list of struct C#

using System;

using System.Collections.Generic;

using System.Linq;

struct MyStruct

{

    public int doc1;

    public int paragraph1;

    public int doc2;

    public int paragraph2;

    public float similarity;

    public MyStruct(int doc1, int paragraph1, int doc2, int paragraph2, float similarity)

    {

        this.doc1 = doc1;

        this.paragraph1 = paragraph1;

        this.doc2 = doc2;

        this.paragraph2 = paragraph2;

        this.similarity = similarity;

    }

}

class Test

{

   static void Main()

   {

       List list = new List();

       list.Add(new MyStruct(1, 1, 2, 1, 0.5f));

       list.Add(new MyStruct(1, 1, 2, 2, 0.4f));

       list.Add(new MyStruct(1, 1, 2, 3, 0.6f));

       list.Add(new MyStruct(1, 2, 2, 4, 0.75f));

       list.Add(new MyStruct(1, 2, 2, 5, 0.44f));

       list.Add(new MyStruct(1, 2, 2, 6, 0.65f));

       var groupings = list.GroupBy(ms => new{ms.doc1, ms.paragraph1});

       foreach(var g in groupings)

       {

           Console.WriteLine(g.Key);

           MyStruct maxMs = g.OrderByDescending(ms => ms.similarity).First();

           Console.WriteLine("Most similar to : doc2 = {0} paragraph = {1} similarity = {2}\n", maxMs.doc2, maxMs.paragraph2, maxMs.similarity);                    

       }

  

       Console.ReadKey();       

   }

}