/// <summary>
        /// 登陆按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsmi_Login_Click(object sender, EventArgs e)
        {
            this.Hide();
            UI_Login_Scenario2 ui_Login_Scenario2 = new UI_Login_Scenario2();

            ui_Login_Scenario2.Show();
        }
        /// <summary>
        /// 离开按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsmi_Logout_Click(object sender, EventArgs e)
        {
            LoginInfo.state = LoginState.未登录;
            this.Hide();
            UI_Login_Scenario2 ui_Login_Scenario2 = new UI_Login_Scenario2();

            ui_Login_Scenario2.Show();
        }