WindowsPhon8 ScrollViewer+计时器 实现信息自动滚动播放

#region 页面级全局变量        ///                 /// App _currentApp        ///                 App _currentApp = (App)Application.Current;        ///                 /// 计时器对象        ///                 DispatcherTimer disTimer = new DispatcherTimer();        #endregion        ///                 /// 页面加载        ///         ///         ///         private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)        {             //开始当前天气信息滚动播报             disTimer.Interval = TimeSpan.FromSeconds(0.01);             disTimer.Tick += disTimer_Tick;             disTimer.Start();        }             ///         /// 计时器事件        ///         ///         ///         void disTimer_Tick(object sender, EventArgs e)        {            ScrollViewInfo();        }                         #region 今日天气滚动显示        /// 
        /// 今日天气滚动显示        /// 
        private void ScrollViewInfo()        {            ScrollViewer sv = this.svToDayInfo;            if (sv != null && !String.IsNullOrEmpty(this.tbkToDayInfo.Text.Trim()))            {                _currentApp.scrollOffset += 0.65;                double offset = _currentApp.scrollOffset;                if (offset > sv.ScrollableWidth)                    _currentApp.scrollOffset = 0.0;                sv.ScrollToHorizontalOffset(offset);            }        }        /// 
        /// 停止/继续滚动        /// 
        ///         ///         private void tbkToDayInfo_ManipulationStarted(object sender, System.Windows.Input.ManipulationStartedEventArgs e)        {            if (disTimer != null)            {                if (disTimer.IsEnabled) disTimer.Stop();                else disTimer.Start();            }            e.Complete();            e.Handled = true;        }        #endregion

以上案例仅供学习参考，如有不足之处还请提出指正，谢谢！