using System;
using System.Windows.Forms;
using Timer = System.Windows.Forms.Timer;

/*
 * ClockLabel is a special label that will display the system time.
 */
class ClockLabel : Label
{
	/**
	 * Timer to update the time.
	 */
	private readonly Timer timer = new();

	/**
	 * Textformat to use.
	 */
	public string Format { get; set; }

	public ClockLabel(string format = "HH:mm:ss")
	{
		Format = format;

		Initialize();
	}

	protected void Initialize()
	{
		timer.Interval = 1000;
		timer.Tick += Timer_Tick;
		Timer_Tick(null, null);

		timer.Start();
	}

	private void Timer_Tick(object? sender, EventArgs? e)
	{
		Text = DateTime.Now.ToString(Format);
	}
}