PlatformExtensionsToTask - метод

public static Task<bool> ToTask(
	this WaitHandle handle,
	TimeSpan? timeout = null
)

<ExtensionAttribute>
Public Shared Function ToTask ( 
	handle As WaitHandle,
	Optional timeout As TimeSpan? = Nothing
) As Task(Of Boolean)

public:
[ExtensionAttribute]
static Task<bool>^ ToTask(
	WaitHandle^ handle, 
	Nullable<TimeSpan> timeout = nullptr
)

[<ExtensionAttribute>]
static member ToTask : 
        handle : WaitHandle * 
        ?timeout : Nullable<TimeSpan> 
(* Defaults:
        let _timeout = defaultArg timeout null
*)
-> Task<bool>