Observable

Observable.FromAsyncPattern<T1> Method (Func<T1, AsyncCallback, Object, IAsyncResult>, Action<IAsyncResult>)

Converts a Begin/End invoke function pair into an asynchronous function.

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

Syntax

'Declaration
Public Shared Function FromAsyncPattern(Of T1) ( _
    begin As Func(Of T1, AsyncCallback, Object, IAsyncResult), _
    end As Action(Of IAsyncResult) _
) As Func(Of T1, IObservable(Of Unit))
'Usage
Dim begin As Func(Of T1, AsyncCallback, Object, IAsyncResult)
Dim end As Action(Of IAsyncResult)
Dim returnValue As Func(Of T1, IObservable(Of Unit))

returnValue = Observable.FromAsyncPattern(begin, _
    end)
public static Func<T1, IObservable<Unit>> FromAsyncPattern<T1>(
    Func<T1, AsyncCallback, Object, IAsyncResult> begin,
    Action<IAsyncResult> end
)
public:
generic<typename T1>
static Func<T1, IObservable<Unit>^>^ FromAsyncPattern(
    Func<T1, AsyncCallback^, Object^, IAsyncResult^>^ begin, 
    Action<IAsyncResult^>^ end
)
static member FromAsyncPattern : 
        begin:Func<'T1, AsyncCallback, Object, IAsyncResult> * 
        end:Action<IAsyncResult> -> Func<'T1, IObservable<Unit>> 
JScript does not support generic types and methods.

Type Parameters

  • T1
    The first type of function.

Parameters

Return Value

Type: System.Func<T1, IObservable<Unit>>
A Begin/End invoke function pair.

See Also

Reference

Observable Class

FromAsyncPattern Overload

System.Reactive.Linq Namespace