private static void UniqueTocItemsCore(TocViewModel model)
{
var count = model.Count();
var i = 0;
var j = 1;
while (j < count)
{
if (string.Equals(model[i].Name, model[j].Name))
{
model[i].Items.AddRange(model[j].Items);
model[i].Items.Sort(SortByItemsAndName);
j++;
}
else
{
i++;
model[i] = model[j];
j++;
}
}
if (i < count)
{
model.RemoveRange(i + 1, count - i - 1);
}
}
