/// <summary>
/// Nahradí list elementov(začiatok na CurrentIndex) listom elemov.
/// </summary>
/// <param name="length"></param>
/// <param name="elems"></param>
public void Replace(int length, List <IElement> elems)
{
CurrentElements.RemoveRange(CurrentIndex, length);
CurrentElements.InsertRange(CurrentIndex, elems);
}
/// <summary>
/// Nahradí list elementov(začiatok na CurrentIndex) jediným elemom.
/// </summary>
/// <param name="length"></param>
/// <param name="elem"></param>
public void Replace(int length, IElement elem)
{
CurrentElements.RemoveRange(CurrentIndex, length);
CurrentElements.Insert(CurrentIndex, elem);
}