public void OnMapMessage(Map sender, XamMapz.Messaging.MapMessage message)
{
if (message is ZoomMessage)
{
// var msg = (ZoomMessage)message;
if (_mapViewDelegate.IsRegionChanging == false)
{
UpdateRegion();
}
}
else if (message is ProjectionMessage)
{
var msg = (ProjectionMessage)message;
var screenPos = MKMapPoint.FromCoordinate(msg.Position.ToCoordinate2D());
msg.ScreenPosition = new Point(screenPos.X, screenPos.Y);
}
else if (message is MoveMessage)
{
if (_mapViewDelegate.IsRegionChanging == false)
{
var msg = (MoveMessage)message;
NativeMap.CenterCoordinate = msg.Target.ToCoordinate2D();
}
}
}
private void Bind(Map map)
{
try
{
_renderHelper.BindToElement(map);
// overwriting existing delegate throws exception, so set it to null first
NativeMap.Delegate = null;
NativeMap.Delegate = _mapViewDelegate;
}
catch (Exception ex)
{
var x = ex;
}
}
public void BindToElement(Map map)
{
if (map != null)
{
_map = map;
map.PinsInternal.CollectionChanged += OnPinsCollectionChanged;
map.PolylinesInternal.CollectionChanged += OnPolylinesCollectionChanged;
MessagingCenter.Subscribe <XamMapz.Map, MapMessage>(this, MapMessage.Message, (map1, message) =>
{
// Handle only messages sent by the current map instance
if (map1 != _map)
{
return;
}
_renderer.OnMapMessage(map1, message);
});
UpdatePins();
UpdatePolylines();
}
}
public void UnbindFromElement()
{
if (_map == null)
{
return;
}
MessagingCenter.Unsubscribe <Map, MapMessage>(this, MapMessage.Message);
_map.PinsInternal.CollectionChanged -= OnPinsCollectionChanged;
_map.PolylinesInternal.CollectionChanged -= OnPolylinesCollectionChanged;
foreach (var polyline in _map.Polylines)
{
polyline.PositionChanged -= polyline_PositionChanged;
polyline.PropertyChanged -= polyline_PropertyChanged;
}
foreach (var pin in _map.Pins)
{
pin.PropertyChanged -= pin_PropertyChanged;
}
_dict.Clear();
_map = null;
}
public TestPage()
{
Content = new XamMapz.Map();
}
public TestPage()
{
Content = new XamMapz.Map();
}
