ClickOnce手动更新

if (ApplicationDeployment.IsNetworkDeployed == true)

            {

                ApplicationDeployment thisDeployment = ApplicationDeployment.CurrentDeployment;

                // this.Text = "正在检测更新";

                this.txt_version.Text = thisDeployment.CurrentVersion.ToString();

                if (thisDeployment.CheckForUpdate() == true)

                {

                    thisDeployment.UpdateAsync();

                    thisDeployment.UpdateCompleted += (s, e) =>

                    {

                        if (e.Error == null)

                        {

                            MessageBox.Show("更新完毕,将要重启程序!");

                            Application.Current.Shutdown();

                            System.Windows.Forms.Application.Restart();

                        }

                        else

                        {

                            MessageBox.Show(e.Error.ToString());

                        }

                    };

                    thisDeployment.UpdateProgressChanged += (s, e) =>

                    {

                        string progressText = String.Format("{0:D}K out of {1:D}K downloaded - {2:D}% complete", e.BytesCompleted / 1024, e.BytesTotal / 1024, e.ProgressPercentage);

                        downloadStatus.Text = progressText;

                    };

                }

                else

                {

                    MessageBox.Show("并没有新的版本进行更新!");

                }

            }

            else

            {

                MessageBox.Show("这不是网络发布的程序");

            }

参考文章：

http://www.cnblogs.com/sucsy/archive/2011/09/23/2186218.html

http://www.cnblogs.com/luyu/archive/2005/12/03/289938.html

http://www.cnblogs.com/chenxizhang/archive/2009/05/22/1486736.html