public void SetSelectedPoint(double lat, double lng)
{
if (selectionMarker == null)
{
selectionMarker = AddMarker(new Markers.SelectionMarker(), lat, lng);
}
else
{
selectionMarker.Location = new Point(lat, lng);
selectionMarker.SetVisualLocation(zoomLevel);
}
}
public MapMarker ReplaceMarker(MapMarker oldMarker, UserControl newMarker, double lat, double lng)
{
MapMarker m = new MapMarker(new Point(lat, lng), newMarker);
m.SetVisualLocation(zoomLevel);
int i = 0;
for (; i<Markers.Count; i++)
{
if (Markers[i] == oldMarker)
{
Markers[i]=m;
break;
}
}
if (i==Markers.Count) return null;
for (i = 0; i < MarkerLayer.Children.Count; i++)
{
if (MarkerLayer.Children[i] == oldMarker.MarkerControl)
{
MarkerLayer.Children.RemoveAt(i);
MarkerLayer.Children.Insert(i, newMarker);
break;
}
}
return m;
}
public MapMarker AddMarker(UserControl marker, double lat, double lng)
{
if (!MapLayer.Children.Contains(marker))
{
MapMarker m = new MapMarker(new Point(lat, lng), marker);
m.SetVisualLocation(zoomLevel);
Markers.Add(m);
MarkerLayer.Children.Add(marker);
return m;
}
return null;
}
public bool RemoveMarker(MapMarker marker)
{
if (!MapLayer.Children.Contains(marker.MarkerControl))
{
foreach (MapMarker mapMarker in Markers)
{
if (mapMarker == marker)
{
Markers.Remove(mapMarker);
break;
}
}
MarkerLayer.Children.Remove(marker.MarkerControl);
return true;
}
return false;
}
public MapControl(double lat, double lng)
{
InitializeComponent();
MapLayer.RenderTransformOrigin = new Point(0.5, 0.5);
MapLayer.RenderTransform = translateTransform;
MarkerLayer.RenderTransformOrigin = new Point(0.5, 0.5);
MarkerLayer.RenderTransform = translateTransform;
MapCenter = new Point(lat, lng);
MapLayer.SetValue(Canvas.ZIndexProperty, 100);
MarkerLayer.SetValue(Canvas.ZIndexProperty, 200);
selectionMarker = AddMarker(new Markers.SelectionMarker(),lat, lng);
}