FilePreviewManagerPreviewIsEnabledCoreAsync - метод

protected virtual ValueTask<bool> PreviewIsEnabledCoreAsync(
	IFileControl control,
	string fileName,
	string extension,
	CancellationToken cancellationToken = default
)

Protected Overridable Function PreviewIsEnabledCoreAsync ( 
	control As IFileControl,
	fileName As String,
	extension As String,
	Optional cancellationToken As CancellationToken = Nothing
) As ValueTask(Of Boolean)

protected:
virtual ValueTask<bool> PreviewIsEnabledCoreAsync(
	IFileControl^ control, 
	String^ fileName, 
	String^ extension, 
	CancellationToken cancellationToken = CancellationToken()
)

abstract PreviewIsEnabledCoreAsync : 
        control : IFileControl * 
        fileName : string * 
        extension : string * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask<bool> 
override PreviewIsEnabledCoreAsync : 
        control : IFileControl * 
        fileName : string * 
        extension : string * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask<bool>