C#设置程序开机启动的实现示例

 System.Security.Principal.WindowsIdentity identity = System.Security.Principal.WindowsIdentity.GetCurrent();
            System.Security.Principal.WindowsPrincipal principal = new System.Security.Principal.WindowsPrincipal(identity);

if (principal.IsInRole(System.Security.Principal.WindowsBuiltInRole.Administrator))
            {
                //如果是管理员则直接启动
                Application.Run(new Form1());
            }
            else
            {
                System.Diagnostics.ProcessStartInfo startinfo = new System.Diagnostics.ProcessStartInfo();
                //启动的应用程序
                startinfo.FileName = Application.ExecutablePath;
                //设置启动动作，以管理员身份启动
                startinfo.Verb = "runas";
              var process=  System.Diagnostics.Process.Start(startinfo);
                Application.Exit();
            }

 RegistryKey runKey = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run",true);
                //当前启动的项目

                //string app = Application.ExecutablePath;
                //获取的路径格式为:D:\Program Files (x86)/360/360Safe/safemon/360tray.exe
                //该格式无法达到开机启动的目的。

                string app = System.Reflection.Assembly.GetExecutingAssembly().Location;
                //格式:D:\Program Files (x86)\360\360Safe\safemon\360tray.exe
                //该格式实现开机启动
      
                Registry.LocalMachine.CreateSubKey(@"SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN").SetValue("MyAngel", app, RegistryValueKind.String); 		//打开注册表中的现有项并设置其中的键值类型

 //删除该启动项
            RegistryKey runKey = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run", RegistryKeyPermissionCheck.ReadWriteSubTree);
            
            runKey.DeleteValue("MyAngel");
            runKey.Close();

Registry.LocalMachine.CreateSubKey(@"SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN").SetValue("MyAngel", app, RegistryValueKind.String);

SetValue("MyAngel", app, RegistryValueKind.String);