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

Converts a .NET event to an observable sequence.

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

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

Type Parameters

TDelegate

The type of delegate.

TEventArgs

The type of event.

Parameters

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