How to sort a list by a specific property in .NET 2.0?

Question

In .NET 4.0 you can simply use LINQ to quickly sort a list by a specific property:

  List<Point> list = ...;    
  sorted = list.OrderBy(p => p.X).ToList(); // sort list of points by X

Can you do something similar when you cannot use .NET 4.0 LINQ syntax?

Is there a one-liner sort syntax?

Check out http://stackoverflow.com/a/3309397/447156 – Soner Gönül Apr 01 '13 at 11:42 — Soner Gönül, Apr 01 '13 at 11:42

Ilya Ivanov · Answer 1 · 2013-04-01T12:12:43.003

3

Check Sort method, that takes Comparison<T>. Avaliable from .NET 2.0

var list = new List<Point>{ /* populate list */ };

list.Sort(Comparison);


public int Comparison (Point a, Point b)
{
    //do logic comparison with a and b
    return -1;
}

edited Apr 01 '13 at 12:12

answered Apr 01 '13 at 11:38

Ilya Ivanov

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I want to sort by a specific property, when it is a list of objects. – Robin Rodricks Apr 01 '13 at 11:38

score 3 · Accepted Answer · answered Apr 01 '13 at 11:44

3

You need to use a delegate, almost a one-liner :)

list.Sort(delegate(Point p1, Point p2){
        return p1.X.CompareTo(p2.X);
});

answered Apr 01 '13 at 11:44

Robin Rodricks

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How to sort a list by a specific property in .NET 2.0?

2 Answers2