FileUIExtensionsAllocateAdditionalLocalContentAsync - метод

public static ValueTask<IFileContent> AllocateAdditionalLocalContentAsync(
	this IFilePreviewContext context,
	string newFileName = null,
	CancellationToken cancellationToken = default
)

<ExtensionAttribute>
Public Shared Function AllocateAdditionalLocalContentAsync ( 
	context As IFilePreviewContext,
	Optional newFileName As String = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As ValueTask(Of IFileContent)

public:
[ExtensionAttribute]
static ValueTask<IFileContent^> AllocateAdditionalLocalContentAsync(
	IFilePreviewContext^ context, 
	String^ newFileName = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
)

[<ExtensionAttribute>]
static member AllocateAdditionalLocalContentAsync : 
        context : IFilePreviewContext * 
        ?newFileName : string * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _newFileName = defaultArg newFileName null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask<IFileContent>