public async Task EncryptDecrypt()
{
if ((_key.Length > 0 && _key.Length % 32 == 0) && (_path != ""))
{
clock = new Timer(_timerInterval);
clock.Elapsed += SyncProgress;
clock.AutoReset = true;
clock.Start();
_encDec = new EncDec(_key, _path);
await Task.Run(() => _encDec.FileEncryptDecrypt());
clock.Stop();
clock.Dispose();
SyncProgress(this, null);
}
}