Método Observable.FromAsyncPattern<T1, T2, T3, T4, TResult> (Func<T1, T2, T3, T4, AsyncCallback, Object, IAsyncResult>, Func<IAsyncResult, TResult>)
Converte um par de funções de invocação Begin/End em uma função assíncrona.
Namespace:System.Reactive.Linq
Assembly: System.Reactive (em System.Reactive.dll)
Sintaxe
'Declaration
Public Shared Function FromAsyncPattern(Of T1, T2, T3, T4, TResult) ( _
begin As Func(Of T1, T2, T3, T4, AsyncCallback, Object, IAsyncResult), _
end As Func(Of IAsyncResult, TResult) _
) As Func(Of T1, T2, T3, T4, IObservable(Of TResult))
'Usage
Dim begin As Func(Of T1, T2, T3, T4, AsyncCallback, Object, IAsyncResult)
Dim end As Func(Of IAsyncResult, TResult)
Dim returnValue As Func(Of T1, T2, T3, T4, IObservable(Of TResult))
returnValue = Observable.FromAsyncPattern(begin, _
end)
public static Func<T1, T2, T3, T4, IObservable<TResult>> FromAsyncPattern<T1, T2, T3, T4, TResult>(
Func<T1, T2, T3, T4, AsyncCallback, Object, IAsyncResult> begin,
Func<IAsyncResult, TResult> end
)
public:
generic<typename T1, typename T2, typename T3, typename T4, typename TResult>
static Func<T1, T2, T3, T4, IObservable<TResult>^>^ FromAsyncPattern(
Func<T1, T2, T3, T4, AsyncCallback^, Object^, IAsyncResult^>^ begin,
Func<IAsyncResult^, TResult>^ end
)
static member FromAsyncPattern :
begin:Func<'T1, 'T2, 'T3, 'T4, AsyncCallback, Object, IAsyncResult> *
end:Func<IAsyncResult, 'TResult> -> Func<'T1, 'T2, 'T3, 'T4, IObservable<'TResult>>
JScript does not support generic types and methods.
Parâmetros de tipo
- T1
O primeiro tipo de função.
- T2
O segundo tipo de função.
- T3
O terceiro tipo de função.
- T4
O quarto tipo de função.
- TResult
O tipo de resultado.
Parâmetros
- começar
Tipo: System.Func<T1, T2, T3, T4, AsyncCallback, Object, IAsyncResult>
A função begin invoke.
- end
Tipo: System.Func<IAsyncResult, TResult>
A função de invocação final.
Valor Retornado
Tipo: System.Func<T1, T2, T3, T4, IObservable<TResult>>
Um par de funções begin/end invoke.