Add dependency injection methods for WPF controls

Extended ServiceCollectionExtensions with methods for ContentControl, Control, UserControl, and FrameworkElement. These methods ensure proper dependency injection registration to enhance WPF application modularity and maintainability.

Frank.Wpf.Hosting/ServiceCollectionExtensions.cs

@@ -12,6 +12,7 @@ public static class ServiceCollectionExtensions
     public static IServiceCollection AddPage<T>(this IServiceCollection services) where T : Page
     {
         services.AddTransient<T>();
+        services.AddTransient<Page, T>(provider => provider.GetRequiredService<T>());
         return services;
     }
 
@@ -22,9 +23,31 @@ public static IServiceCollection AddWindow<T>(this IServiceCollection services)
         return services;
     }
 
+    public static IServiceCollection AddContentControl<T>(this IServiceCollection services) where T : ContentControl
+    {
+        services.AddTransient<T>();
+        services.AddTransient<ContentControl, T>(provider => provider.GetRequiredService<T>());
+        return services;
+    }
+
     public static IServiceCollection AddControl<T>(this IServiceCollection services) where T : Control
     {
         services.AddTransient<T>();
+        services.AddTransient<Control, T>(provider => provider.GetRequiredService<T>());
+        return services;
+    }
+
+    public static IServiceCollection AddUserControl<T>(this IServiceCollection services) where T : UserControl
+    {
+        services.AddTransient<T>();
+        services.AddTransient<UserControl, T>(provider => provider.GetRequiredService<T>());
+        return services;
+    }
+
+    public static IServiceCollection AddFrameworkElement<T>(this IServiceCollection services) where T : FrameworkElement
+    {
+        services.AddTransient<T>();
+        services.AddTransient<FrameworkElement, T>(provider => provider.GetRequiredService<T>());
         return services;
     }
 }