void image_mylocation_Tap(object sender, GestureEventArgs e)
{
if (Mymap.Layers.Contains(mypositionPoi))
{
Mymap.Layers.Remove(mypositionPoi);
mypositionPoi.Clear();
}
if (Mymap.Layers.Contains(detailPois))
{
Mymap.Layers.Remove(detailPois);
detailPois.Clear();
}
var img = (Ellipse)sender;
var poi = img.DataContext as MyLocationPoi;
var over = new MapOverlay { GeoCoordinate = poi.cordinate };
var control = new MyLocationPoiControl();
control.grd_loc.Tap += grd_loc_Tap;
if (!_sourcePoi && !_externalSource)
control.btn_source.Visibility = Visibility.Collapsed;
control.btn_source.Click += my_locabtnclick;
over.Content = control;
over.PositionOrigin = new Point(0.5, 1.0);
mypositionPoi.Add(over);
Mymap.Layers.Add(mypositionPoi);
}
