protected void Act()
{
var openAsyncResult = _sftpSession.BeginOpen(_path, Flags.Read, null, null);
var readAsyncResult = _sftpSession.BeginRead(_handle, _offset, _length, null, null);
_actualHandle = _sftpSession.EndOpen(openAsyncResult);
_actualData = _sftpSession.EndRead(readAsyncResult);
}
