InventoryDisplay() function from Rogue C#.

rogue-inventory-display

public static List<InventoryLine> InventoryDisplay(List<Inventory> PlayerInventory)
{
    char charID = 'a';

    // Get the player's current inventory in a grouped format.

    List<InventoryLine> lines = new List<InventoryLine>();

    // Get groupable identified inventory.
    var groupedInventory =
        (from invEntry in PlayerInventory
            where invEntry.IsGroupable && invEntry.IsIdentified
            group invEntry by invEntry.RealName into itemGroup
            select itemGroup).ToList();

    // Add groupable non-identified inventory.    
    ...

    // Get non-groupable identified
    ...

    // Create a unique list of grouped items and count of each.
    foreach (var itemGroup in groupedInventory)
        lines.Add(new InventoryLine 
            { Count = itemGroup.Count(), InvItem = itemGroup.First() });

    // Add non-grouped items.
    foreach (var invEntry in individualItems)
        lines.Add(new InventoryLine { Count = 1, InvItem = invEntry });

    // Order new list by item category.
    lines = lines.OrderBy(x => x.InvItem.ItemType).ToList();

    // Call the ListingDescription function to get a finished description.
    foreach (InventoryLine line in lines)
    {
        line.ID = charID;
        line.Description = line.ID + ".) " 
            + ListingDescription(line.Count, line.InvItem);
        charID++;
    }

    return lines;
}