private async void AssociatedObject_MapViewTapped(object sender, MapViewInputEventArgs e)
{
MapView mapView = sender as MapView;
OverlayItemsControl overlays = mapView.Overlays;
OverlayItemsCollection collection = overlays.Items;
System.Windows.Controls.Border overlayControl = (System.Windows.Controls.Border)collection[0];
// get the location tapped on the map
var mapPoint = e.Location;
// Get possible features and if none found, move to next layer
FeatureLayer featureLayer = (FeatureLayer)mapView.Map.Layers[1];
// Get possible features and if none found, move to next layer
var foundFeatures = await featureLayer.HitTestAsync(mapView, new Rect(e.Position, new Size(10, 10)), 1);
if (foundFeatures.Count() == 0)
{
return;
}
var feature = await featureLayer.FeatureTable.QueryAsync(foundFeatures[0]);
overlayControl.DataContext = feature.Attributes;
Esri.ArcGISRuntime.Controls.MapView.SetViewOverlayAnchor(overlayControl, mapPoint);
overlayControl.Visibility = Visibility.Visible;
}
public MainWindow()
{
InitializeComponent();
MapPoint overlayLocation = null;
//var ferneyTip = this.mapView.FindName("ferneyOverlay") as FrameworkElement;
//// if the overlay element is found, set its position and make it visible
//if (ferneyTip != null)
//{
// overlayLocation = new Esri.ArcGISRuntime.Geometry.MapPoint(6.1081, 46.2558, Esri.ArcGISRuntime.Geometry.SpatialReferences.Wgs84);
// Esri.ArcGISRuntime.Controls.MapView.SetViewOverlayAnchor(ferneyTip, overlayLocation);
// // ferneyTip.Visibility = Visibility.Visible;
//}
//return;
Callout c = new Callout();
c.CalloutTitle = "标题";
c.CalloutContent = "内容";
OverlayItemsControl f = new OverlayItemsControl();
f.Items.Add(c);
mapView.Overlays.Items.Add(c);
// if the overlay element is found, set its position and make it visible
if (f != null)
{
overlayLocation = new Esri.ArcGISRuntime.Geometry.MapPoint(6.1081, 46.2558, Esri.ArcGISRuntime.Geometry.SpatialReferences.Wgs84);
Esri.ArcGISRuntime.Controls.MapView.SetViewOverlayAnchor(c, overlayLocation);
c.Visibility = Visibility.Visible;
}
}
private void ShowCallout(string title, string content, MapPoint location)
{
foreach (var item in MapObj.toolBar.Tools.Children.OfType <ToolItem>())
{
if (item.Active == true)
{
return;
}
}
IntPtr windowHandle = Process.GetCurrentProcess().MainWindowHandle;
InfoStruct info_struct = new InfoStruct(1);
info_struct.ID = string.Copy(title).ToCharArray();
Array.Resize(ref info_struct.ID, 64);
IntPtr pnt = Marshal.AllocHGlobal(Marshal.SizeOf(info_struct));
Marshal.StructureToPtr(info_struct, pnt, false);
if (windowHandle == IntPtr.Zero || pnt == IntPtr.Zero)
{
return;
}
SendMessage((int)windowHandle, WM_USER + 58, 8, pnt);
return;
var c = new Callout
{
CalloutTitle = title,
CalloutContent = content
};
OverlayItemsControl f = new OverlayItemsControl();
f.Items.Add(c);
MapObj.MapView.Overlays.Items.Add(c);
ViewBase.SetViewOverlayAnchor(c, location);
}
