/// <summary>
/// Add a pre-prepared set of boxes all at once
/// </summary>
/// <param name="boxes"></param>
public void AddBoxes(BoxList boxes)
{
if (boxes == null)
{
throw new ArgumentNullException();
}
var tmpBoxes = boxes.GetContent().Cast <Box>();
foreach (var box in tmpBoxes)
{
AddBox(box);
}
}