ControlObservable
Provides a set of static methods for subscribing to IObservables using Windows Forms controls.
            
                using System.Reactive.Concurrency;
using System.Runtime.CompilerServices;
using System.Windows.Forms;
namespace System.Reactive.Linq
{
    [System.Runtime.CompilerServices.NullableContext(1)]
    [System.Runtime.CompilerServices.Nullable(0)]
    public static class ControlObservable
    {
        public static IObservable<TSource> SubscribeOn<[System.Runtime.CompilerServices.Nullable(2)] TSource>(this IObservable<TSource> source, Control control)
        {
            if (source == null)
                throw new ArgumentNullException("source");
            if (control == null)
                throw new ArgumentNullException("control");
            return Synchronization.SubscribeOn(source, new ControlScheduler(control));
        }
        public static IObservable<TSource> ObserveOn<[System.Runtime.CompilerServices.Nullable(2)] TSource>(this IObservable<TSource> source, Control control)
        {
            if (source == null)
                throw new ArgumentNullException("source");
            if (control == null)
                throw new ArgumentNullException("control");
            return Synchronization.ObserveOn(source, new ControlScheduler(control));
        }
    }
}