public void OpenNewDetailTab(EnumTabType tabType, int id)
        {
            switch (tabType)
            {
            case EnumTabType.TicketList:
                Tabs.Add(new ActionTabItem {
                    Header = String.Format("Ticket {0}", id), Content = new ControlTicketDetail(id)
                });
                break;

            default:
                break;
            }
        }
        public void OpenNewListTab(EnumTabType tabType)
        {
            switch (tabType)
            {
            case EnumTabType.TicketList:
                Tabs.Add(new ActionTabItem {
                    Header = "Tickets", Content = new ControlTicketList(this)
                });
                break;

            default:
                break;
            }
        }