using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
using 垂直剖面动态观测系统.Common;
using 垂直剖面动态观测系统.View;
using 垂直剖面动态观测系统.ViewModel;

namespace 垂直剖面动态观测系统
{
    /// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : Application
    {
        protected override void OnStartup(StartupEventArgs e)
        {
            base.OnStartup(e);

            if (new LoginView().ShowDialog() == true)
            {
                //连接串口
                //new MainView().ShowDialog();
                //Application.Current.Shutdown();
                GlobalValues.Start(
                //成功的委托
                () =>
                {
                    //线程回调  将主窗口线程从子线程回调至主线程
                    Application.Current.Dispatcher.Invoke(() =>
                    {
                        new MainView().ShowDialog();
                    });
                },
                //失败的委托
                (msg) =>
                {
                    //线程回调  将主窗口线程从子线程回调至主线程
                    Application.Current.Dispatcher.Invoke(() =>
                    {
                        MessageBox.Show(msg, "系统启动失败");
                        Application.Current.Shutdown();
                    });
                }
                );

            }

        }
        protected override void OnExit(ExitEventArgs e)
        {
            if (MainViewModel.timer != null)
            {
                MainViewModel.timer.Stop();
                MainViewModel.timer.Dispose();
            }
            //在应用退出的时候就会销毁掉
            GlobalValues.Dispose();
            base.OnExit(e);
        }
    }
}