static public async void Main()
{
// Create a cancellation token source to cancel
// if the operation takes more than a minute.
using (CancellationTokenSource cancellationTokenSource =
new CancellationTokenSource(1000 * 60))
{
try
{
await foreach (string fileName in
EncryptFilesAsync()
.WithCancellation(cancellationTokenSource.Token))
{
Console.WriteLine(fileName);
}
}
finally
{
Cryptographer?.Dispose();
}
}
}