Aucma.Scada/Aucma.Scada.UI/MainWindow.xaml.cs

using Aucma.Scada.UI.viewModel;
using System;

namespace Aucma.Scada.UI
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow
    {
        private static readonly Lazy<MainWindow> _instance = new Lazy<MainWindow>(() => new MainWindow());

        public static MainWindow Instance => _instance.Value;

        private MainWindow()
        {
            InitializeComponent();
            MainViewModel mainViewModel = new MainViewModel();
            this.DataContext = mainViewModel;
            Closing += PageView_Closing; // 订阅窗口关闭事件
        }

        private void PageView_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            this.Hide();
            //跳转到登录页
            LoginPageView login = LoginPageView.Instance;
            login.Show();
        }
    }
}