防止重复启动应用程序

 

/// <summary> 
        /// 应用程序的主入口点。 
        /// </summary> 
        [STAThread] 
        static void Main() 
        { 
            bool Exist = false; 
            System.Diagnostics.Process CIP = System.Diagnostics.Process.GetCurrentProcess(); 
            System.Diagnostics.Process[] CIPR = System.Diagnostics.Process.GetProcesses(); 
            foreach (System.Diagnostics.Process p in CIPR) 
            { 
                if (p.ProcessName == CIP.ProcessName && p.Id!=CIP.Id) 
                { 
                    Exist = true; 
                } 
            } 
            if (Exist) 
            { 
                WinFormBLL.CommonBLL.ShowErrMessage("对不起，应用程序正在运行中！，请不要重复启动！"); 
                return; 
            } 
            else 
            { 
                Application.EnableVisualStyles(); 
                Application.SetCompatibleTextRenderingDefault(false); 
                Application.Run(new frmSplash()); 
            } 
        }