Pagination with dots in C#

Pagination.cs

public class Pagination
{
    public int PageIndex { get; private set; }
    public int TotalPages { get; private set; }
    public List<object> RangeWithDots { get; private set; } = new List<object>();

    public bool HasPreviousPage
    {
        get
        {
            return (PageIndex > 1);
        }
    }

    public bool HasNextPage
    {
        get
        {
            return (PageIndex < TotalPages);
        }
    }

    public Pagination(int index, int totalPages)
    {
        PageIndex = index;
        TotalPages = totalPages;
        RangeWithDots = Maker(PageIndex, TotalPages);
    }

    private static List<object> Maker(int c, int m)
    {
        int current = c;
        int last = m;
        int delta = 4;
        int left = current - delta;
        int right = current + delta + 1;

        List<int> range = new List<int>();
        List<object> rangeWithDots = new List<object>();

        int l = 0;

        for (int i = 1; i <= last; i++)
        {
            if (i == 1 || i == last || i >= left && i < right)
            {
                range.Add(i);
            }
        }

        foreach (var item in range)
        {
            if (l > 0)
            {
                if (item - l == 2)
                {
                    rangeWithDots.Add(l + 1);
                }
                else if (item - l != 1)
                {
                    rangeWithDots.Add("...");
                }
            }
            rangeWithDots.Add(item);
            l = item;
        }

        return rangeWithDots;
    }
}