TreeItemExtenderRefreshNodeAsync - метод

<ExtensionAttribute>
Public Shared Function RefreshNodeAsync ( 
	<NotNullAttribute> treeItem As ITreeItem,
	<CanBeNullAttribute> Optional updateContext As ITreeItemUpdateContext = Nothing,
	<CanBeNullAttribute> Optional onCompletedAsync As Func(Of Task, Task) = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As Task

public:
[ExtensionAttribute]
static Task^ RefreshNodeAsync(
	[NotNullAttribute] ITreeItem^ treeItem, 
	[CanBeNullAttribute] ITreeItemUpdateContext^ updateContext = nullptr, 
	[CanBeNullAttribute] Func<Task^, Task^>^ onCompletedAsync = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
)

[<ExtensionAttribute>]
static member RefreshNodeAsync : 
        [<NotNullAttribute>] treeItem : ITreeItem * 
        [<CanBeNullAttribute>] ?updateContext : ITreeItemUpdateContext * 
        [<CanBeNullAttribute>] ?onCompletedAsync : Func<Task, Task> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _updateContext = defaultArg updateContext null
        let _onCompletedAsync = defaultArg onCompletedAsync null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task