/// <summary>
/// Inserts an item into the collection at the specified index.
/// </summary>
/// <param name="index">The zero-based index at which <paramref name="item"/> should be inserted.</param><param name="item">The object to insert.</param>
protected override void InsertItem(int index, ChartBehavior item)
{
item.ChartArea = Area;
item.AdorningCanvas = Area.GetAdorningCanvas();
if (item.AdorningCanvas != null)
{
item.InternalAttachElements();
}
base.InsertItem(index, item);
}