private void handleThisGroupNode(GroupNode gNode)
        {
            // Fill with names
            foreach (var item in DBquery.getEnvelopeNamesByGroup(gNode.GroupID))
            {
                gNode.Nodes.Add(new EnvelopeNode(item.ID, item.Name));
            }

            // Fill in the balances
            foreach (var item in DBquery.getEnvelopeBalancesByGroup(gNode.GroupID))
            {
                this.updateBalanceRecurse(gNode, SpclAccount.NULL, item.ID, item.Balance);
            }
        }