public MapImageTileElement(ITileLoadingContext TileImage, int HorizontalIndex, int VerticalIndex, int Zoom)
     : base(HorizontalIndex, VerticalIndex, Zoom)
 {
     _tileImage = TileImage;
     _tileImage.Ready += (Sender, Args) => RequestChangeVisual();
 }
 public ContextMapTileElement(ITileLoadingContext LoadingContext, int HorizontalIndex, int VerticalIndex, int Zoom)
     : base(HorizontalIndex, VerticalIndex)
 {
     _loadingContext       =  LoadingContext;
     _loadingContext.Ready += OnReady;
 }