Timer in StatusBar

1. we need to show local time in StatusBar. solution: 1. add textblock control 2. binding to a string. 3. we use dispatcherTimer class to update the string.
2. DispatcherTimer class
3. Code Example:

XAML:

    <StatusBarItem HorizontalAlignment="Left" Margin="10,0,0,0">

         <TextBlock Text="当前时间: " />

    </StatusBarItem>

    <StatusBarItem HorizontalAlignment="Left">

         <TextBlock Text="{Binding CurrentTime}" />

    </StatusBarItem>

c#:

        public string CurrentTime

        {

            get

            {

                return _currentTime;

            }

            set

            {

                _currentTime = value;

                RaisePropertyChanged("");

            }

        }

        private void UpdateTime( object sender, EventArgs e)

        {

            CurrentTime = DateTime.Now.ToLongDateString() + " " + DateTime.Now.ToLongTimeString();

        }

        timer = new DispatcherTimer();

        timer.Interval = new TimeSpan(0,0,1);

        timer.Tick += new EventHandler(UpdateTime);

        timer.Start();