限制只允许一个程式运行

最新推荐文章于 2024-05-22 16:28:54 发布

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最新推荐文章于 2024-05-22 16:28:54 发布

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分类专栏： C# 文章标签： application object null class

本文链接：https://blog.csdn.net/yoyoch1/article/details/6087638

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    static class Program
    {
        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main()
        {
            Process instance = RunningInstance();
            if (instance == null)
            {

Application.ThreadException += new ThreadExceptionEventHandler(Application_ThreadException);//其他线程
AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException); //ui线程

                Application.EnableVisualStyles();
                Application.SetCompatibleTextRenderingDefault(false);
                Application.Run(new frmEDCE());
            }
            else
            {
                MessageBox.Show("已经运行了此程式的一个实例!");
            }
        }

        static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            ErrorLog log = new ErrorLog();
            log.WriteThreadErrorLog(e.ExceptionObject.ToString());
            MessageBox.Show(e.ExceptionObject.ToString(), "提示");
        }
        static void Application_ThreadException(object sender, ThreadExceptionEventArgs e)
        {
            ErrorLog log = new ErrorLog();
            log.WriteThreadErrorLog(e.Exception.StackTrace);
            MessageBox.Show(e.Exception.Message, "提示");
        }

        static Process RunningInstance()
        {
            Process current = Process.GetCurrentProcess();
            Process[] processes = Process.GetProcessesByName(current.ProcessName);

foreach (Process process in processes)
{

                if (process.Id != current.Id)
                {
                    if (Assembly.GetExecutingAssembly().Location.Replace("/", "//") ==
                        current.MainModule.FileName)
                    {
                        return process;
                    }
                }
            }
            return null;
        }
    }