formula_manage/App.xaml.cs

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;

namespace formula_manage
{
    /// <summary>
    /// App.xaml 的交互逻辑
    /// </summary>
    public partial class App : Application
    {
        public App()
        {
            this.Startup += new StartupEventHandler(App_Startup);
            this.DispatcherUnhandledException += new System.Windows.Threading.DispatcherUnhandledExceptionEventHandler(App_DispatcherUnhandledException);
        }

        System.Threading.Mutex mutex;
        void App_Startup(object sender, StartupEventArgs e) //程序只允许启动一次
        {
            bool ret;
            mutex = new System.Threading.Mutex(true, "ElectronicNeedleTherapySystem", out ret);
            if (!ret)
            {
                MessageBox.Show("SUNLIGHT:单据管理已启动");
                Environment.Exit(0);
            }
        }

        protected override void OnStartup(StartupEventArgs e)  //跟踪报错信息
        {
            base.OnStartup(e);
            //UI线程的异常捕捉
            this.DispatcherUnhandledException += App_DispatcherUnhandledException;
        }

        private void App_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
        {

            e.Handled = true;
            if (e.Exception.InnerException == null)
            {
                MessageBox.Show("发生了一个无法处理的错误！请联系SUNLIGHT处理！" + Environment.NewLine
                              //     + "（2）错误源：" + e.Exception.Source + Environment.NewLine
                                   + "详细信息：" + e.Exception.Message + Environment.NewLine
                              //     + "（4）报错区域：" + e.Exception.StackTrace
                                   );
            }
            else
            {
                MessageBox.Show("发生了一个无法处理的错误！请联系SUNLIGHT处理！" + Environment.NewLine
                              //      + "（2）错误源：" + e.Exception.InnerException.Source + Environment.NewLine
                                    + "错误信息：" + e.Exception.Message + Environment.NewLine
                              //      + "（4）详细信息：" + e.Exception.InnerException.Message + Environment.NewLine
                              //      + "（5）报错区域：" + e.Exception.InnerException.StackTrace
                                    );
            }


        }
    }
}