protected RootCommandBase(IConsole console)
: base("root")
{
Console = console ?? throw new ArgumentNullException(nameof(console), "No console provided.");
RegisterCommand(new ExitCommand(() => { RequestCloseEvent?.Invoke(this, new EventArgs()); }));
RegisterCommand(new ClearCommand());
RegisterCommand(new ScreenCommand(console));
RegisterCommand(new CmdCommand());
RegisterCommand(new PoshCommand());
RegisterCommand(new ExecuteProcessCommand());
RegisterCommand(new ExecuteCommand(this));
WriteEvent += OnOutputEvent;
console.Attach(this);
}