Add Design.IsDesignMode to the desktop version

v2rayN/v2rayN.Desktop/App.axaml.cs

@@ -10,15 +10,17 @@ public partial class App : Application
 
         AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
         TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
-
-        DataContext = StatusBarViewModel.Instance;
     }
 
     public override void OnFrameworkInitializationCompleted()
     {
         if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
         {
-            AppManager.Instance.InitComponents();
+            if (!Design.IsDesignMode)
+            {
+                AppManager.Instance.InitComponents();
+                DataContext = StatusBarViewModel.Instance;
+            }
 
             desktop.Exit += OnExit;
             desktop.MainWindow = new MainWindow();

v2rayN/v2rayN.Desktop/Program.cs

@@ -54,12 +54,19 @@ internal class Program
     // Avalonia configuration, don't remove; also used by visual designer.
     public static AppBuilder BuildAvaloniaApp()
     {
-        return AppBuilder.Configure<App>()
-            .UsePlatformDetect()
-            //.WithInterFont()
-            .WithFontByDefault()
-            .LogToTrace()
-            .UseReactiveUI()
-            .With(new MacOSPlatformOptions { ShowInDock = AppManager.Instance.Config.UiItem.MacOSShowInDock });
+        var builder = AppBuilder.Configure<App>()
+           .UsePlatformDetect()
+           //.WithInterFont()
+           .WithFontByDefault()
+           .LogToTrace()
+           .UseReactiveUI();
+
+        if (OperatingSystem.IsMacOS())
+        {
+            var showInDock = Design.IsDesignMode || AppManager.Instance.Config.UiItem.MacOSShowInDock;
+            builder = builder.With(new MacOSPlatformOptions { ShowInDock = showInDock });
+        }
+
+        return builder;
     }
 }