private void TileOverlays_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Reset)
{
foreach (TileOverlay tileOverlay in tileOverlays.Select(m => m.Key).ToList())
{
RemoveTileOverlay(tileOverlay);
}
}
else if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (TileOverlay tileOverlay in e.NewItems)
{
AddTileOverlay(tileOverlay);
}
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
foreach (TileOverlay tileOverlay in e.OldItems)
{
RemoveTileOverlay(tileOverlay);
}
}
}
private void Markers_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Reset)
{
foreach (Marker marker in markers.Select(m => m.Key).ToList())
{
RemoveMarker(marker);
}
}
else if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (Marker marker in e.NewItems)
{
AddMarker(marker);
}
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
foreach (Marker marker in e.OldItems)
{
RemoveMarker(marker);
}
}
}