Observable.FromEvent<TEventArgs> Method (Action<Action<TEventArgs>>, Action<Action<TEventArgs>>)

Converts a .NET event to an observable sequence.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive (in System.Reactive.dll)

public static IObservable<TEventArgs> FromEvent<TEventArgs>(
	Action<Action<TEventArgs>> addHandler,
	Action<Action<TEventArgs>> removeHandler
)

Type Parameters

TEventArgs

The type of event.

Parameters

addHandler
Type: System.Action<Action<TEventArgs>>
Action that attaches the given event handler to the underlying .NET event.
removeHandler
Type: System.Action<Action<TEventArgs>>
Action that detaches the given event handler from the underlying .NET event.

Return Value

Type: System.IObservable<TEventArgs>
Observable sequence that contains data representations of invocations of the underlying .NET event.
Show: