namespace System.Reactive.Linq { public static class WindowsObservable { public static IObservable<EventPattern<TSender, TResult>> FromEventPattern<[System.Runtime.CompilerServices.Nullable(2)] TSender, [System.Runtime.CompilerServices.Nullable(2)] TResult>(Action<TypedEventHandler<TSender, TResult>> addHandler, Action<TypedEventHandler<TSender, TResult>> removeHandler); public static IObservable<EventPattern<TSender, TResult>> FromEventPattern<[System.Runtime.CompilerServices.Nullable(2)] TDelegate, [System.Runtime.CompilerServices.Nullable(2)] TSender, [System.Runtime.CompilerServices.Nullable(2)] TResult>(Func<TypedEventHandler<TSender, TResult>, TDelegate> conversion, Action<TDelegate> addHandler, Action<TDelegate> removeHandler); public static IEventPatternSource<TSender, TEventArgs> ToEventPattern<[System.Runtime.CompilerServices.Nullable(2)] TSender, [System.Runtime.CompilerServices.Nullable(2)] TEventArgs>(this IObservable<EventPattern<TSender, TEventArgs>> source); public static IObservable<TResult> SelectMany<[System.Runtime.CompilerServices.Nullable(2)] TSource, [System.Runtime.CompilerServices.Nullable(2)] TResult>(this IObservable<TSource> source, Func<TSource, IAsyncOperation<TResult>> selector); public static IObservable<TResult> SelectMany<[System.Runtime.CompilerServices.Nullable(2)] TSource, [System.Runtime.CompilerServices.Nullable(2)] TResult, [System.Runtime.CompilerServices.Nullable(2)] TProgress>(this IObservable<TSource> source, Func<TSource, IAsyncOperationWithProgress<TResult, TProgress>> selector); public static IObservable<TResult> SelectMany<[System.Runtime.CompilerServices.Nullable(2)] TSource, [System.Runtime.CompilerServices.Nullable(2)] TAsyncOperationResult, [System.Runtime.CompilerServices.Nullable(2)] TResult>(this IObservable<TSource> source, Func<TSource, IAsyncOperation<TAsyncOperationResult>> asyncOperationSelector, Func<TSource, TAsyncOperationResult, TResult> resultSelector); public static IObservable<TResult> SelectMany<[System.Runtime.CompilerServices.Nullable(2)] TSource, [System.Runtime.CompilerServices.Nullable(2)] TAsyncOperationResult, [System.Runtime.CompilerServices.Nullable(2)] TAsyncOperationProgress, [System.Runtime.CompilerServices.Nullable(2)] TResult>(this IObservable<TSource> source, Func<TSource, IAsyncOperationWithProgress<TAsyncOperationResult, TAsyncOperationProgress>> asyncOperationSelector, Func<TSource, TAsyncOperationResult, TResult> resultSelector); } }