pager

private static int [] CalculatePagerInfo (int currentPage, int totalPages)
{
var right = totalPages – currentPage;

    var left = currentPage - 1;

int rightx =0 , leftx = 0;


if (right >= 4)
{
if (left >= 4)
{
rightx
= leftx = 4;
}
else
{
leftx
= left;
rightx
= leftx == 0 ? Math.Min(right, 8 - leftx) : Math.Min(right, 9 - leftx);
}
}
else
{
rightx
= right;
leftx
= rightx == 0 ? Math.Min(8 - rightx, left) : Math.Min(9 - rightx, left);
}

return new int[] { leftx, rightx };
}