///<summary>
///Copies the elements of a collection over a range of elements in the base_scopeArrayList.
///</summary>
///<param name="index">The zero-based base_scopeArrayList index at which to start copying the elements of c.<param>
///<param name="c">The ICollection whose elements to copy to the ArrayList. The collection itself cannot be a null reference (Nothing in Visual Basic), but it can contain elements that are a null reference.<param>
///<returns>Return value is void</returns>
private void SetRange(int index, System.Collections.ICollection c)
{
arr.SetRange(index, c);
}