public void SetLocation(Point location){
UIView.Animate(1.0, () =>
{
WillChangeValue("coordinate");
_coordinate = new CLLocationCoordinate2D(location.Latitude, location.Longitude);
DidChangeValue("coordinate");
});
}
public MapAnnotation (Point location,string name, string details = null)
{
Location = location;
title = name;
subtitle = details;
}