ArcGISRuntimeXamarin.Samples.ChangeViewpoint.ChangeViewpoint.OnViewpointMenuItemClicked C# (CSharp) Метод

        private async void OnViewpointMenuItemClicked(object sender, PopupMenu.MenuItemClickEventArgs e)
        {
            // Get title from the selected item
            var selectedMapTitle = e.Item.TitleCondensedFormatted.ToString();

            switch (selectedMapTitle)
            {
                case "Geometry":
   
                    // Set Viewpoint using Redlands envelope defined above and a padding of 20
                    await _myMapView.SetViewpointGeometryAsync(RedlandsEnvelope, 20);
                    break;

                case "Center & Scale":
                
                    // Set Viewpoint so that it is centered on the London coordinates defined above
                    await _myMapView.SetViewpointCenterAsync(LondonCoords);
                    
                    // Set the Viewpoint scale to match the specified scale 
                    await _myMapView.SetViewpointScaleAsync(LondonScale);
                    break;

                case "Animate":
                
                    // Navigate to full extent of the first baselayer before animating to specified geometry
                    await _myMapView.SetViewpointAsync(
                        new Viewpoint(_myMapView.Map.Basemap.BaseLayers.First().FullExtent));
                    
                    // Create a new Viewpoint using the specified geometry
                    var viewpoint = new Viewpoint(EdinburghEnvelope);
                    
                    // Set Viewpoint of MapView to the Viewpoint created above and animate to it using a timespan of 5 seconds
                    await _myMapView.SetViewpointAsync(viewpoint, TimeSpan.FromSeconds(5));
                    break;

                default:
                    break;
            }
        }