using System; using System.Windows.Forms; namespace MultiThrdApp { public partial class FormClock : Form { public FormClock() { InitializeComponent(); } private void btnStart_Click(object sender, EventArgs e) { // 윈폼 타이머 사용 Timer timer = new System.Windows.Forms.Timer(); timer.Interval = 1000; // 1초 timer.Tick += new EventHandler(timer_Tick); timer.Start(); } // 매 1초마다 ...