当按下“开始”按钮后设置Timer的时间间隔,同时先检测一次:
Private Sub btnStart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnStart.Click Private S
当按下“开始”按钮后设置Timer的时间间隔,同时先检测一次:
Private Sub btnStart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnStart.Click Private S