test: 测试 MVVM 模式与绑定

TestMvvm/ViewModels/MainWindowViewModel.cs

@@ -0,0 +1,29 @@
+using System.Globalization;
+using System.IO;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+
+namespace TestMvvm.ViewModels;
+
+public partial class MainWindowViewModel : ViewModelBase
+{
+    [ObservableProperty] public string? test = Path.GetRandomFileName();
+
+    [RelayCommand]
+    public void RandomText()
+    {
+        Test = Path.GetRandomFileName();
+    }
+
+    [RelayCommand]
+    public void ChangeToChinese()
+    {
+        App.I18NManager.Culture = new CultureInfo("zh-hans");
+    }
+
+    [RelayCommand]
+    public void ChangeToDefault()
+    {
+        App.I18NManager.Culture = CultureInfo.InvariantCulture;
+    }
+}