#region 执行DOS命令，返回DOS命令的输出
        /// <summary>
        /// 执行DOS命令，返回DOS命令的输出
        /// </summary>
        /// <param name="dosCommand">dos命令</param>
        /// <param name="milliseconds">等待命令执行的时间（单位：毫秒），如果设定为0，则无限等待</param>
        /// <returns>返回输出，如果发生异常，返回空字符串</returns>
        public static string Execute(string dosCommand, int milliseconds)
        {
            string output = "";
            if (dosCommand != null && dosCommand != "")
            {
                Process process = new Process();
                ProcessStartInfo startInfo = new ProcessStartInfo();
                startInfo.FileName = "cmd.exe";
                startInfo.Arguments = "/C " + dosCommand;
                startInfo.UseShellExecute = false;
                startInfo.RedirectStandardInput = false;
                startInfo.RedirectStandardOutput = true;
                startInfo.CreateNoWindow = true;
                process.StartInfo = startInfo;
                try
                {
                    if (process.Start()) 
                    {
                        if (milliseconds == 0)
                            process.WaitForExit();
                        else
                            process.WaitForExit(milliseconds); 
                        output = process.StandardOutput.ReadToEnd();
                    }
                }
                catch
                {

}
                finally
                {
                    if (process != null)
                        process.Close();
                }
            }
            return output;
        }
        #endregion

        #region btnSave_Click
        private void btnSave_Click(object sender, EventArgs e)
        {
            if (this.lstFilePath.Items.Count > 0)
            {
                XmlDocument xmlDoc = new XmlDocument();
                xmlDoc.Load(XML_PATH);
                xmlDoc.SelectSingleNode("paths").RemoveAll();
                XmlNode root = xmlDoc.SelectSingleNode("paths");
                XmlElement xmlEle = (XmlElement)xmlDoc.SelectSingleNode("paths");
                xmlEle.SetAttribute("time", this.txtTime.Text);
                for (int i = 0; i < this.lstFilePath.Items.Count; i++)
                {
                    XmlElement xmle = xmlDoc.CreateElement("path");
                    xmle.InnerText = this.lstFilePath.Items[i].ToString();
                    root.AppendChild(xmle);
                }
                xmlDoc.Save(XML_PATH);
                MessageBox.Show("保存成功!请重新启动服务(先关闭,在启动)才能生效");
            }
        }
        #endregion

        #region btnInstall_Click
        private void btnInstall_Click(object sender, EventArgs e)
        {
            Directory.CreateDirectory(App_Path + "DynamicDesktop");
            File.Copy(Environment.CurrentDirectory.ToString() + "/DynamicDesktop/BackGround.exe", App_Path + "DynamicDesktop\\BackGround.exe", true);
            File.Copy(Environment.CurrentDirectory.ToString() + "/DynamicDesktop/BackGround.exe.manifest", App_Path + "DynamicDesktop\\BackGround.exe.manifest", true);
            File.Copy(Environment.CurrentDirectory.ToString() + "/DynamicDesktop/蝴蝶.bmp", App_Path + "DynamicDesktop\\蝴蝶.bmp", true);
            File.Copy(Environment.CurrentDirectory.ToString() + "/DynamicDesktop/desktop.xml", Environment.GetFolderPath(Environment.SpecialFolder.System) + "\\desktop.xml", true);

if (!File.Exists(txtSDK.Text.Trim() + "\\installutil.exe"))
            {
                MessageBox.Show("请选择正确 v2.0 SDK 路径!");
                return;
            }
            string result = string.Empty;
            result = Execute(txtSDK.Text + "\\installutil.exe " + App_Path + "DynamicDesktop\\BackGround.exe",0);
            if (result.Contains("已完成事务处理安装"))
            {
                MessageBox.Show("安装成功!");
                InitShowDesktop();
            }
            else
            {
                MessageBox.Show(result);
            }
        }
        #endregion