private void frmMain_Load(object sender, EventArgs e)
{
// Loads the start-up options into the form...
Loader.StartOptions opt = Settings.StartupOptions;
// Check if opt has some start-up flags.
// If so, mark the right CheckBox as checked.
if (opt.HasFlag(Loader.StartOptions.Classic)) cbClassic.Checked = true;
if (opt.HasFlag(Loader.StartOptions.OpenGl)) cbOpenGL.Checked = true;
if (opt.HasFlag(Loader.StartOptions.SWTNL)) cbSWTNL.Checked = true;
if (opt.HasFlag(Loader.StartOptions.Window)) cbWindow.Checked = true;
}