private void NotificationWindow_Loaded(object sender, RoutedEventArgs e)
        {
            var data = this.DataContext as NotifyData;

            if (data != null)
            {
                tbContent.Text = data.Content;
                tbTitle.Text   = data.Title;
            }
            NotificationWindow self = sender as NotificationWindow;

            if (self != null)
            {
                self.UpdateLayout();
                SystemSounds.Asterisk.Play();                   //播放提示声

                double right = SystemParameters.WorkArea.Right; //工作区最右边的值
                self.Top = self.TopFrom - self.ActualHeight;
                DoubleAnimation animation = new DoubleAnimation();
                animation.Duration = new Duration(TimeSpan.FromMilliseconds(500)); //NotifyTimeSpan是自己定义的一个int型变量,用来设置动画的持续时间
                animation.From     = right;
                animation.To       = right - self.ActualWidth;                     //设定通知从右往左弹出
                self.BeginAnimation(Window.LeftProperty, animation);               //设定动画应用于窗体的Left属性

                Task.Factory.StartNew(delegate
                {
                    int seconds = 5;//通知持续5s后消失
                    System.Threading.Thread.Sleep(TimeSpan.FromSeconds(seconds));
                    //Invoke到主进程中去执行
                    this.Dispatcher.Invoke(delegate
                    {
                        animation            = new DoubleAnimation();
                        animation.Duration   = new Duration(TimeSpan.FromMilliseconds(500));
                        animation.Completed += (s, a) => { self.Close(); }; //动画执行完毕,关闭当前窗体
                        animation.From       = right - self.ActualWidth;
                        animation.To         = right;                       //通知从左往右收回
                        self.BeginAnimation(Window.LeftProperty, animation);
                    });
                });
            }
        }