XMLTransTool/AvaloniaApplication2/Views/MainWindow.axaml.cs

using Avalonia.Controls;
using AvaloniaApplication2.ViewModels;

namespace AvaloniaApplication2.Views;

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
        var viewModel = new MainWindowViewModel();
         DataContext = viewModel;
     }
 }