private void GroupComicsByRange()
{
Dictionary <int, decimal> values = GetPrices();
var priceGroups =
from pair in values
group pair.Key by Purchases.EvaluatePrice(pair.Value)
into priceGroup
orderby priceGroup.Key descending
select priceGroup;
foreach (var group in priceGroups)
{
string message = String.Format("I found {0} {1} comics: issue ", group.Count(), group.Key);
foreach (var issueNumber in group)
{
message += $"{issueNumber.ToString()} ";
}
CurrentQueryResults.Add(CreateAnonymousListViewItem(message, "captain_amazing_250x250.jpg"));
}
}