FileHelperCopyAsync(String, String, Boolean, CancellationToken) - метод

Public Shared Function CopyAsync ( 
	sourceFile As String,
	destinationFile As String,
	overwrite As Boolean,
	Optional cancellationToken As CancellationToken = Nothing
) As Task

public:
static Task^ CopyAsync(
	String^ sourceFile, 
	String^ destinationFile, 
	bool overwrite, 
	CancellationToken cancellationToken = CancellationToken()
)

static member CopyAsync : 
        sourceFile : string * 
        destinationFile : string * 
        overwrite : bool * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task