private void timer1_Tick(object sender, EventArgs e) { //MessageBox.Show(sender.ToString() + "\n" + e.ToString()); int temp; temp = int.Parse(label4.Text); temp++; label4.Text = temp.ToString(); String tempString = label5.Text; tempString = tempString.Substring(1, tempString.Length - 1) + tempString.Substring(0, 1); label5.Text = tempString; }