public SavedPlacesUserControl()
{
this.InitializeComponent();
DraggablePin draggablePin = new DraggablePin(MapView.MapControl, this)
{
Name = "OrDesSelector"
};
draggablePin.Draggable = true;
MapControl.SetLocation(draggablePin, MapView.MapControl.Center);
MapView.MapControl.Children.Add(draggablePin);
this.Unloaded += SavedPlacesUserControl_Unloaded;
}
public static async Task <MapElement> Run(MapControl map)
{
var imgContainer = new DraggablePin(map, null);
map.Children.Add(imgContainer);
await Task.Delay(50);
//render symbolicon to bmp
RenderTargetBitmap renderbmp = new RenderTargetBitmap();
await renderbmp.RenderAsync(imgContainer);
map.Children.Remove(imgContainer);
using (InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream())
{
//create a bitmap encoder
BitmapEncoder encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, stream);
//write pixels into this encoder
var pixels = await renderbmp.GetPixelsAsync();
var reader = DataReader.FromBuffer(pixels);
byte[] bytes = new byte[reader.UnconsumedBufferLength];
reader.ReadBytes(bytes);
encoder.SetPixelData(BitmapPixelFormat.Bgra8, BitmapAlphaMode.Straight,
(uint)renderbmp.PixelWidth, (uint)renderbmp.PixelHeight, 0, 0, bytes);
await encoder.FlushAsync();
var mapIconStreamReference = RandomAccessStreamReference.CreateFromStream(stream);
//create mapIcon
var mapIcon = new MapIcon();
mapIcon.Image = mapIconStreamReference;
mapIcon.Location = map.Center;
mapIcon.Title = "Some label".ToString();
return(mapIcon);
}
}
