private void StartLongTappedTimer()
{
StopLongTappedTimer();
iconLongTappedTimer = new DispatcherTimer(DispatcherPriority.Background)
{
Interval = new TimeSpan(0, 0, 0, 0, MapMenuItem.iconLongTappedTimerInMSec)
};
iconLongTappedTimer.Tick += LongTappedTimerElapsed;
iconLongTappedTimer.Start();
}