private static void GetValue(DependencyObject sender , DependencyPropertyChangedEventArgs args)
        {
            TimeControl timeControl = sender as TimeControl;

            if(timeControl != null)
            {
                var time = (TimeSpan)args.NewValue;
                timeControl.txthours.Text = string.Format("{0:00}" , time.Hours);
                timeControl.txtminuts.Text = string.Format("{0:00}", time.Minutes);
                timeControl.txtseconds.Text = string.Format("{0:00}", time.Seconds);
                timeControl.txtmilliseconds.Text = string.Format("{0:00}", time.Milliseconds /10);

                if(time.Hours == 0)
                    timeControl.txthours.Style = timeControl.Resources["inativefont"] as Style;
                else
                    timeControl.txthours.Style = timeControl.Resources["normalfont"] as Style;

                if (time.Minutes == 0)
                    timeControl.txtminuts.Style = timeControl.Resources["inativefont"] as Style;
                else
                    timeControl.txtminuts.Style = timeControl.Resources["normalfont"] as Style;

                if (time.Seconds == 0)
                    timeControl.txtseconds.Style = timeControl.Resources["inativefont"] as Style;
                else
                    timeControl.txtseconds.Style = timeControl.Resources["normalfont"] as Style;
            }
        }
        private static void GetDouble(DependencyObject sender , DependencyPropertyChangedEventArgs args)
        {
            TimeControl timeControl = sender as TimeControl;

            if(timeControl != null)
            {
                int width = (int)(200 * (double)args.NewValue);
                timeControl.MainContainer.Width = width;

                int heght = (int)(43 * (double)args.NewValue);
                timeControl.MainContainer.Height = heght;

                int fontsize = (int)(40 * (double)args.NewValue);
                timeControl.txthours.FontSize = fontsize;
                timeControl.txtminuts.FontSize = fontsize;
                timeControl.txtseconds.FontSize = fontsize;
                timeControl.txt1.FontSize = timeControl.txt2.FontSize = timeControl.txt3.FontSize = fontsize;
                timeControl.txtmilliseconds.FontSize = fontsize / 2;
            }
        }