public void ClearPushpins()
{
List elementsToRemove = new List();
List pushpinToRemove = new List();
foreach (UIElement element in BingMap.Children)
{
if (element.GetType() == typeof(MapLayer))
{
MapLayer Lay = (MapLayer)element;
if (Lay.Name.IndexOf(“PushpinLayer”) > -1)
{
foreach (UIElement p in Lay.Children)
{
if (p.GetType() == typeof(Pushpin))
{
pushpinToRemove.Add(p);
}
}
foreach (UIElement pin in pushpinToRemove)
{
Lay.Children.Remove(pin);

}
elementsToRemove.Add(Lay);
}
}

}
foreach (UIElement e in elementsToRemove)
{
BingMap.Children.Remove(e);
}
}