using System;
using System.Windows.Forms;
using System.Drawing;

class TimerDemo:Form
{
Timer Clock;
Label lbTime=new Label();

public TimerDemo()
{
Clock=new Timer();
Clock.Interval=1000;
Clock.Start();
Clock.Tick+=new EventHandler(Timer_Tick);

this.Controls.Add(lbTime);
lbTime.BackColor=Color.Black;
lbTime.ForeColor=Color.Red;
lbTime.Font=new Font("Times New Roman",15);
lbTime.Text=GetTime();
}

public string GetTime()
{
string TimeInString="";
int hour=DateTime.Now.Hour;
int min=DateTime.Now.Minute;
int sec=DateTime.Now.Second;

TimeInString=(hour < 10)?"0" + hour.ToString() :hour.ToString();
TimeInString+=":" + ((min<10)?"0" + min.ToString() :min.ToString());
TimeInString+=":" + ((sec<10)?"0" + sec.ToString() :sec.ToString());
return TimeInString;
}

public void Timer_Tick(object sender,EventArgs eArgs)
{
if(sender==Clock)
{
lbTime.Text=GetTime();
}
}

public static void Main()
{
Application.Run(new TimerDemo());
}
}