public void Main(string argument)
{
if (argument == "next")
{
panel.SelectNext();
}
else if (argument == "prev")
{
panel.SelectPrevious();
}
else if (argument == "current")
{
panel.ActivateCurrent();
}
else if (argument == "parent")
{
panel.ActivateParent();
}
else
{
SpinningBar.Step();
}
display.WriteText(panel.ToString());
}