更新整理

WPFluent.Gallery/Services/WindowsProviderService.cs

@@ -0,0 +1,31 @@
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file, You can obtain one at https://opensource.org/licenses/MIT.
+// Copyright (C) Leszek Pomianowski and WPF UI Contributors.
+// All Rights Reserved.
+
+namespace WPFluent.Gallery.Services;
+
+public class WindowsProviderService
+{
+    private readonly IServiceProvider _serviceProvider;
+
+    public WindowsProviderService(IServiceProvider serviceProvider)
+    {
+        _serviceProvider = serviceProvider;
+    }
+
+    public void Show<T>()
+        where T : class
+    {
+        if (!typeof(Window).IsAssignableFrom(typeof(T)))
+        {
+            throw new InvalidOperationException($"The window class should be derived from {typeof(Window)}.");
+        }
+
+        Window windowInstance =
+            _serviceProvider.GetService<T>() as Window
+            ?? throw new InvalidOperationException("Window is not registered as service.");
+        windowInstance.Owner = Application.Current.MainWindow;
+        windowInstance.Show();
+    }
+}