void RemoveGestureRecognizers()
{
if (BackgroundView.GestureRecognizers != null && Enumerable.Any <UIGestureRecognizer>(BackgroundView.GestureRecognizers))
{
foreach (UIGestureRecognizer gesture in BackgroundView.GestureRecognizers)
{
BackgroundView.RemoveGestureRecognizer(gesture);
}
}
}