FileExtensionsEnsureContentDownloadedInUIAsync - метод

public static ValueTask<ValidationResult> EnsureContentDownloadedInUIAsync(
	this IFileObject obj,
	Func<IFileObject, CancellationToken, ValueTask<IFileContent>> getContentFuncAsync = null,
	CancellationToken cancellationToken = default
)

<ExtensionAttribute>
Public Shared Function EnsureContentDownloadedInUIAsync ( 
	obj As IFileObject,
	Optional getContentFuncAsync As Func(Of IFileObject, CancellationToken, ValueTask(Of IFileContent)) = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As ValueTask(Of ValidationResult)

public:
[ExtensionAttribute]
static ValueTask<ValidationResult^> EnsureContentDownloadedInUIAsync(
	IFileObject^ obj, 
	Func<IFileObject^, CancellationToken, ValueTask<IFileContent^>>^ getContentFuncAsync = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
)

[<ExtensionAttribute>]
static member EnsureContentDownloadedInUIAsync : 
        obj : IFileObject * 
        ?getContentFuncAsync : Func<IFileObject, CancellationToken, ValueTask<IFileContent>> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _getContentFuncAsync = defaultArg getContentFuncAsync null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask<ValidationResult>