private void AutoMenu_Click( object sender, EventArgs e) { string strName = Application.ExecutablePath; string strnewName = strName.Substring(strName.LastIndexOf( " \\ " ) + 1 ); if (AutoMenu.Checked) { // 修改注册表,使程序开机时不自动执行。 this .AutoMenu.Checked = false ; Microsoft.Win32.RegistryKey Rkey = Microsoft.Win32.Registry.LocalMachine.CreateSubKey( " SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run " ); Rkey.DeleteValue(strnewName, false ); MessageBox.Show( " 程序设置完成! " , " 提示 " , MessageBoxButtons.OK, MessageBoxIcon.Information); } else { this .AutoMenu.Checked = true ; if ( ! File.Exists(strName)) // 指定文件是否存在 return ; Microsoft.Win32.RegistryKey Rkey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey( " SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run " , true ); if (Rkey == null ) Rkey = Microsoft.Win32.Registry.LocalMachine.CreateSubKey( " SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run " ); Rkey.SetValue(strnewName, strName); // 修改注册表,使程序开机时自动执行。 MessageBox.Show( " 程序设置完成,重新启动计算机后即可生效! " , " 提示 " , MessageBoxButtons.OK, MessageBoxIcon.Information); } }