MVVM(6) :Display Window with Window class or Application

最新推荐文章于 2024-02-28 13:48:37 发布

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博客提及App.xaml.cs和MainWindow.xaml.cs文件，运行后可生成两个窗口，主要围绕这两个文件在信息技术领域的窗口生成功能展开。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

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 SimpleMvvm
{
    /// <summary>
    /// App.xaml 的交互逻辑
    /// </summary>
    public partial class App : Application
    {
    //    protected override void OnStartup(StartupEventArgs e)
    //    {
    //        // My code goes here, but nothing ever happens.

    //        base.OnStartup(e);
    //        MainWindow win = new MainWindow();
    //        UserViewModel vm = new UserViewModel();
    //        win.DataContext = vm;
    //        win.Show();
    //    }
    //
        private void Application_Startup(object sender, StartupEventArgs e)
        {
            // Create the startup window
            MainWindow wnd = new MainWindow();
            // Do stuff here, e.g. to the window
            wnd.Title = "Something else";
            // Show the window
            UserViewModel vm = new UserViewModel();
            wnd.DataContext = vm;
            wnd.Show();
        }
    }
}

MainWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace SimpleMvvm
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            UserViewModel vm = new UserViewModel();
            this.DataContext = vm;
             this.Show();
            //this.Hide();
        }
        
    }
}

Output:

It can generate two windows.