日期:2014-05-17 浏览次数:20920 次
不同用户没试过试过,我有当前用户不能多开的 你试试不同用户行不行。 #region 程序只运行一次 /// <summary> /// 程序只运行一次 /// </summary> /// <returns>null</returns> public static Process RunningInstance() { Process current = Process.GetCurrentProcess(); Process[] processes = Process.GetProcessesByName(current.ProcessName); //Loop through the running processes in with the same name foreach (Process process in processes) { //Ignore the current process if (process.Id != current.Id) { //Make sure that the process is running from the exe file. if (Assembly.GetExecutingAssembly().Location.Replace("/", "\\") == current.MainModule.FileName) { //Return the other process instance. return process; } } } //No other instance was found, return null. return null; } #endregion
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using System; using System.Threading; namespace ConsoleApplication2 { class Program { static void Main() { String strMutexName = "#%#$^%@#$%#%@#@#%#@$%#$^$#"; Mutex mutex = null; try { mutex = Mutex.OpenExisting(strMutexName); Console.WriteLine("已经运行"); } catch { mutex = new Mutex(false, strMutexName); } Console.ReadKey(); } } }
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namespace Com.Xhdz.XD1002.Server { static class Program { /// <summary> /// 应用程序的主入口点。 /// </summary> [STAThread] static void Main(string[] Args) { //Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); //只能启动一个实例 bool createdNew; //返回是否赋予了使用线程的互斥体初始所属权 System.Threading.Mutex instance = new System.Threading.Mutex(true, "xd1002MutexName", out createdNew); //同步基元变量 if (!createdNew) //赋予了线程初始所属权,也就是首次使用互斥体 { MessageBox.Show("已经启动了一个程序,请先退出!", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Error); Application.Exit(); } else { //获得当前登录的Windows用户标示 System.Security.Principal.WindowsIdentity identity = System.Security.Principal.WindowsIdentity.GetCurrent(); System.Security.Principal.WindowsPrincipal principal = new System.Security.Principal.WindowsPrincipal(identity); //判断当前登录用户是否为管理员 if (principal.IsInRole(System.Security.Principal.WindowsBuiltInRole.Administrator)) { //如果是管理员,则直接运行 Application.Run(new MainForm()); } else { //创建启动对象 System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo(); //设置运行文件 startInfo.FileName = System.Windows.Forms.Application.ExecutablePath; //设置启动参数 startInfo.Arguments = String.Join(" ", Args); //设置启动动作,确保以管理员身份运行 startInfo.Verb = "runas"; //如果