public WinHisitory(WinLync Lync)
        {
            this.Lync = Lync;
            InitializeComponent();
            dateTimeFrom.SelectedDate = DateTime.Now.AddDays(-10);
            dateTimeTo.SelectedDate   = DateTime.Now.AddDays(1);
            model            = new WinHistoryViewModel(this);
            this.DataContext = model;
            WinLync.lyncCounter++;
            this.Closed += new EventHandler(WinHisitory_Closed);

            this.Title = StringHelper.FindLanguageResource("Hisitory");
            isHave     = true;
        }
        public WinHisitory(WinLync Lync)
        {
            this.Lync = Lync;
            InitializeComponent();
            dateTimeFrom.SelectedDate = DateTime.Now.AddDays(-10);
            dateTimeTo.SelectedDate = DateTime.Now.AddDays(1);
            model = new WinHistoryViewModel(this);
            this.DataContext = model;
            WinLync.lyncCounter++;
            this.Closed += new EventHandler(WinHisitory_Closed);

            this.Title = StringHelper.FindLanguageResource("Hisitory");
            isHave = true;
        }