LoadFromFile

        public static Texture2D LoadFromFile(string filePath)
        {
            if (!filePath.EndsWith(".png")) { throw new ArgumentException("Tried to load an image that was not a PNG.", "filePath"); }
            if (!File.Exists(filePath)) { throw new FileNotFoundException(string.Format("The file at {0} does not exist.")); }

            using (Stream stream = File.OpenRead(filePath))
            {
                return Texture2D.FromStream(GameServices.Graphics, stream);
            }
        }