/// <summary>
/// The method deleting elements from the collection.
/// </summary>
/// <param name="item"> The element to be deleted. </param>
public void Remove(LabelItem item)
{
List.Remove(item);
}
/// <summary>
/// The method adding elements to the collection.
/// </summary>
/// <param name="item">Ýëåìåíò äëÿ äîáàâëåíèÿ.</param>
/// <returns>returnes the index of the added element.</returns>
public int Add(LabelItem item)
{
return(List.Add(item));
}
