/// <summary>
/// Unloads this instance when the tile is no longer visible.
/// </summary>
public void Unload()
{
Image = null;
SubTiles.ForEach(subTile => subTile?.Unload());
_subLevel.Children.Clear();
}
/// <summary>
/// Unloads this instance when the tile is no longer visible.
/// </summary>
public void Unload()
{
Image = null;
SubTiles.ForEach(subTile => subTile?.Unload());
// ReSharper disable once PossibleNullReferenceException
_subLevel?.Children.Clear();
}