Begin/End 호출 함수 쌍을 비동기 함수로 변환합니다.
네임스페이스:System.Reactive.Linq
어셈블리: System.Reactive.Providers(System.Reactive.Providers.dll)
구문
'Declaration
<ExtensionAttribute> _
Public Shared Function FromAsyncPattern ( _
provider As IQbservableProvider, _
begin As Expression(Of Func(Of AsyncCallback, Object, IAsyncResult)), _
end As Expression(Of Action(Of IAsyncResult)) _
) As Func(Of IQbservable(Of Unit))
'Usage
Dim provider As IQbservableProvider
Dim begin As Expression(Of Func(Of AsyncCallback, Object, IAsyncResult))
Dim end As Expression(Of Action(Of IAsyncResult))
Dim returnValue As Func(Of IQbservable(Of Unit))
returnValue = provider.FromAsyncPattern(begin, _
end)
public static Func<IQbservable<Unit>> FromAsyncPattern(
this IQbservableProvider provider,
Expression<Func<AsyncCallback, Object, IAsyncResult>> begin,
Expression<Action<IAsyncResult>> end
)
[ExtensionAttribute]
public:
static Func<IQbservable<Unit>^>^ FromAsyncPattern(
IQbservableProvider^ provider,
Expression<Func<AsyncCallback^, Object^, IAsyncResult^>^>^ begin,
Expression<Action<IAsyncResult^>^>^ end
)
static member FromAsyncPattern :
provider:IQbservableProvider *
begin:Expression<Func<AsyncCallback, Object, IAsyncResult>> *
end:Expression<Action<IAsyncResult>> -> Func<IQbservable<Unit>>
public static function FromAsyncPattern(
provider : IQbservableProvider,
begin : Expression<Func<AsyncCallback, Object, IAsyncResult>>,
end : Expression<Action<IAsyncResult>>
) : Func<IQbservable<Unit>>
매개 변수
- provider
형식: System.Reactive.Linq.IQbservableProvider
로컬 Qbservable 공급자입니다.
- begin
형식: System.Linq.Expressions.Expression<Func<AsyncCallback, Object, IAsyncResult>>
begin invoke 함수입니다.
- end
형식: System.Linq.Expressions.Expression<작업<IAsyncResult>>
end invoke 함수입니다.
반환 값
형식: System.Func<IQbservable<Unit>>
Begin/End 호출 함수 쌍입니다.
사용 정보
Visual Basic 및 C#에서는 IQbservableProvider 형식의 모든 개체에서 이 메서드를 instance 메서드로 호출할 수 있습니다. 인스턴스 메서드 구문을 사용하여 이 메서드를 호출할 경우에는 첫 번째 매개 변수를 생략합니다. 자세한 내용은 또는 를 참조하세요.