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Observable::FromEventPattern<TDelegate, TEventArgs> Method (Func<EventHandler<TEventArgs>, TDelegate>, Action<TDelegate>, Action<TDelegate>)

Converts a .NET event, conforming to the standard .NET event pattern, to an observable sequence with the specified conversion, add handler and remove handler.

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

public:
generic<typename TDelegate, typename TEventArgs>
where TEventArgs : EventArgs
static IObservable<EventPattern<TEventArgs>^>^ FromEventPattern(
	Func<EventHandler<TEventArgs>^, TDelegate>^ conversion, 
	Action<TDelegate>^ addHandler, 
	Action<TDelegate>^ removeHandler
)

Type Parameters

TDelegate

The type of delegate.

TEventArgs

The type of event.

Parameters

conversion
Type: System::Func<EventHandler<TEventArgs>, TDelegate>
A function used to convert the given event handler to a delegate compatible with the underlying .NET event.
addHandler
Type: System::Action<TDelegate>
The action that attaches the given event handler to the underlying .NET event.
removeHandler
Type: System::Action<TDelegate>
The action that detaches the given event handler from the underlying .NET event.

Return Value

Type: System::IObservable<EventPattern<TEventArgs>>
The observable sequence that contains data representations of invocations of the underlying .NET event.
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