Small tool to extract backgrounds from LiveSplit LSL files

Extractor.cs

using System;
using System.IO;
using System.Drawing;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.Xml;

class Program
{
    static void Main(string[] args)
    {
        foreach (var item in args)
        {
            var bf = new BinaryFormatter();
            var xmlDoc = new XmlDocument();
            xmlDoc.Load(item);

            var element = xmlDoc.SelectSingleNode("//BackgroundImage");
            if (element == null)
                continue;

            var data = Convert.FromBase64String(element.InnerText);
            if (data.Length == 0)
                continue;

            using (var ms = new MemoryStream(data))
            {
                ((Image)bf.Deserialize(ms)).Save(Path.ChangeExtension(item, "png"));
            }
        }
    }
}