public class Form1 : System.Windows.Forms.Form { ... // déclaration du DateTime timeStart en tant que champ private de la classe Form1 private DateTime timeStart; ... public void menuItem1_1_Click(object sender, System.EventArgs e) { timeStart = DateTime.Now; timer1.Enabled = true; } public void button1_Click(object sender, System.EventArgs e) { timer1.Enabled = false; } public void timer1_Tick(object sender, System.EventArgs e) { DateTime timeNow = DateTime.Now; TimeSpan diffTime = timeNow.Subtract(timeStart); statusBar1.Text = diffTime.ToString(); } }
public void menuItem1_1_Click(object sender, System.EventArgs e) { timeStart = DateTime.Now; timer1.Enabled = true; }
timeStart = DateTime.Now;"
TimeSpan diffTime = timeNow.Subtract(timeStart);
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