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Observable.FromAsyncPattern<T1, T2, T3, TResult> Method (Func<T1, T2, T3, AsyncCallback, Object, IAsyncResult>, Func<IAsyncResult, TResult>)

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

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

public static Func<T1, T2, T3, IObservable<TResult>> FromAsyncPattern<T1, T2, T3, TResult>(
	Func<T1, T2, T3, AsyncCallback, Object, IAsyncResult> begin,
	Func<IAsyncResult, TResult> end
)

Type Parameters

T1

The first type of function.

T2

The second type of function.

T3

The third type of function.

TResult

The type of result.

Parameters

begin
Type: System.Func<T1, T2, T3, AsyncCallback, Object, IAsyncResult>
The begin invoke function.
end
Type: System.Func<IAsyncResult, TResult>
The end invoke function.

Return Value

Type: System.Func<T1, T2, T3, IObservable<TResult>>
A Begin/End invoke function pair.
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