[C#] Observable.FromEvent<>()

 

 

 

Observable.FromEvent< TEventArgs >( addHandler , 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.

 

TagInfo를 이벤트 타입(전달 인자)으로하는 이벤트를 등록하여

이벤트가 발동할 때 마다 이벤트 타입의 객체를 관찰 가능한 IObservable< TEventArgs > 시퀀스 형태로 반환.

 

 

 

TagInfo를 이벤트 타입(전달 인자)으로하는 이벤트

 

TagInfo를 이벤트 타입(전달 인자)으로하는 이벤트 발동

 

 

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https://learn.microsoft.com/en-us/previous-versions/dotnet/reactive-extensions/hh211795(v=vs.103)

Observable.FromEvent(TEventArgs) Method (Action(Action(TEventArgs)), Action(Action(TEventArgs))) (System.Reactive.Linq)

 

 

https://stackoverflow.com/questions/19895373/how-to-use-observable-fromevent-instead-of-fromeventpattern-and-avoid-string-lit

How to use Observable.FromEvent instead of FromEventPattern and avoid string literal event names

 

 

https://learn.microsoft.com/en-us/dotnet/api/system.iobservable-1?view=net-8.0

IObservable<T> Interface (System)

 

https://learn.microsoft.com/ko-kr/dotnet/standard/events/observer-design-pattern

관찰자 디자인 패턴 - .NET