AnyPlace.MainPage.buildingImg_tap C# (CSharp) Method

        void buildingImg_tap(FloorPoisDetails poi)
        {
            if (Mymap.Layers.Contains(floorPoisDetail))
            {
                Mymap.Layers.Remove(floorPoisDetail);
                floorPoisDetail.Clear();
            }
            var over = new MapOverlay { GeoCoordinate = poi.Coordinates };

            var control = new BuildingPois { txt_description = { Text = poi.Description } };
            over.Content = control;

            var poitap = new PoiTap
            {
                poiFloor = poi.poiFloor,
                poiId = poi.poiid,
                coordinate = poi.Coordinates
            };

            //set button data context
            control.btn_navigateHere.DataContext = poitap;
            control.btn_source.DataContext = poitap;
            control.btn_poiInfo.DataContext = poi;

            // set info visibility
            control.btn_poiInfo.Visibility = poi.Information.Length > 2 ? Visibility.Visible : Visibility.Collapsed;

            control.btn_navigateHere.Click += floorPoiNavHere_Tap;
            control.btn_source.Click += btn_source_Click;
            control.btn_poiInfo.Click += BtnPoiInfoOnClick;
            control.grid_details.Tap += building_pois_tap;
            over.PositionOrigin = new Point(0.5, 1.0);
            floorPoisDetail.Add(over);
            Mymap.Layers.Add(floorPoisDetail);
            Mymap.SetView(poi.Coordinates, 20, MapAnimationKind.Parabolic);
        }