public void Save(object surface, string file)
{
ISurface textSurface = (ISurface)surface;
SurfaceEditor editor = new SurfaceEditor(textSurface);
string[] lines = new string[textSurface.Height];
for (int y = 0; y < textSurface.Height; y++)
{
lines[y] = editor.GetString(0, y, textSurface.Width);
}
System.IO.File.WriteAllLines(file, lines);
}