'按钮页面关闭事件
Private Sub btnExit_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExit.Click Private Sub btnExit_Click_1(ByVal
Private Sub btnExit_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExit.Click Private Sub btnExit_Click_1(ByVal