ReactiveUI.Events

While ReactiveUI is primarily concerned with creating ViewModels, a separate library exists to help you write code that is intended to live in the View, called "ReactiveUI.Events" (NuGet package name, ReactiveUI-Events).

This library is a code generated library that adds Observables for all events in the UI framework, via a new extension methods Events(). Most usages of Observable.FromEventPattern can be replaced in the Views. Events are straightforward mappings of the event parameters.

Examples

var router = RxApp.GetService<IScreen>().Router;

this.Events().KeyUp
    .Where(x => x.Key == Key.Escape)
    .InvokeCommand(router.NavigateBack);

var windowChanged = Observable.Merge(
    this.Events().SizeChanged.Select(_ => Unit.Default),
    this.WhenAny(x => x.Left, x => x.Top, (l,t) => Unit.Default));

windowChanged
    .Throttle(TimeSpan.FromMilliseconds(700), RxApp.MainThreadScheduler)
    .Subscribe(_ => SaveWindowPosition());