mvvm-toolkit-di
CommunityToolkit.Mvvm + Microsoft.Extensions.DependencyInjection
The MVVM Toolkit deliberately ships no DI container — it composes with
Microsoft.Extensions.DependencyInjection, the same container ASP.NET
Core, Worker services, and the .NET Generic Host use.
TL;DR. Build the service provider once at startup (prefer
Host.CreateDefaultBuilder()). Register services and ViewModels. Inject through constructors. AvoidIoc.Default.GetService<T>()in user code.
When to use this skill
- Standing up the composition root for a new XAML app (WPF, WinUI 3, MAUI, Uno, Avalonia)
- Choosing service/VM lifetimes
- Wiring
IMessengeronce and injecting it intoObservableRecipient
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