private void UpdateApplicationBar(TLMessage message)
{
var isTTLMessage = message != null && message.HasTTL();
_savePhotoMenuItem.IsEnabled =
#if WP8
!isTTLMessage;
#else
!isTTLMessage && message != null && message.Media is TLMessageMediaPhoto;
#endif
_sharePhotoMenuItem.IsEnabled = !isTTLMessage && message != null && message.Media is TLMessageMediaPhoto;
_forwardMenuItem.IsEnabled = !isTTLMessage;
}