C#: Windowsで.weblocを開く

Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Xml.Linq;
using System.Xml.XPath;
using System.Diagnostics;

namespace webloc
{
    class Program
    {
        static void Main(string[] args)
        {
            if (args.Length <= 0) return;

            var filename = args[0];
            if (Path.GetExtension(filename) != ".webloc") return;

            var webloc = XDocument.Load(filename);
            //var urlNode = webloc.XPathSelectElements("/plist/dict/string[preceding-sibling::key/text()=\"URL\"]").First();
            var urlNode = webloc.Descendants("string").First();
            if (urlNode == null) return;
            
            Process.Start(urlNode.Value);
        }
    }
}