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Observable.FromAsyncPattern(Of T1, T2, T3, T4, TResult) Method (Func(Of T1, T2, T3, T4, AsyncCallback, Object, IAsyncResult), Func(Of IAsyncResult, TResult))

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

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

'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)

Type Parameters

T1

The first type of function.

T2

The second type of function.

T3

The third type of function.

T4

The fourth type of function.

TResult

The type of result.

Parameters

begin
Type: System.Func(Of T1, T2, T3, T4, AsyncCallback, Object, IAsyncResult)
The begin invoke function.
end
Type: System.Func(Of IAsyncResult, TResult)
The end invoke function.

Return Value

Type: System.Func(Of T1, T2, T3, T4, IObservable(Of TResult))
A Begin/End invoke function pair.
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