7in10笔记：程序托盘和最大最小化控制例子

 private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            DialogResult dr = MessageBox.Show("确定要关闭么？否则将现实在托盘！", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
            if (dr == DialogResult.Yes)
            {
                //dosomething
                this.Dispose();
            }
            else
            {
                this.Hide();
                this.ShowInTaskbar = false;
                e.Cancel = true;
            }
        }

private void MainForm_MinimumSizeChanged(object sender, EventArgs e)
        {
            this.Hide();
            this.ShowInTaskbar = false;
        }

private void icoShow_DoubleClick(object sender, EventArgs e)
        {
            this.Visible = true;//设置正常显示控件的值
            this.WindowState = System.Windows.Forms.FormWindowState.Normal;//指定窗口窗体正常显示
            this.icoShow.Visible = true;
        }

 #region 方法：显示错误提示供回调void OnShowMessage
        /// <summary>
        /// 显示错误提示供回调
        /// </summary>
        ///<param name="no param"></param>
        /// <returns>void</returns>
        private void OnShowMessage(string strMessage)
        {
            icoShow.ShowBalloonTip(200000, "注意：", strMessage, ToolTipIcon.Error);
        }
        #endregion