private void Button_sub_Click(object sender, EventArgs e) { TimeClass sub = new TimeClass(); sub = t1 - t2; label_str.Text = sub.convert_to_string(); }
private void Button_plus_Click(object sender, EventArgs e) { TimeClass sum = new TimeClass(); sum = t1 + t2; label_str.Text = sum.convert_to_string(); }
private void Button_addsec_Click(object sender, EventArgs e) { t1.add_seconds(add); label_str.Text = t1.convert_to_string(); }