title: a clock in c# wpf application
body: <ul>
  <li>i'm working on c# wpf application and i would like to add a clock to my application:</li>
  <li>how to make that clock in my application?</li>
  <li>how to make my application clock not linked to windows clock??</li>
  <li>how to show clock by different styles in my application?</li>
  <li>how to make it contains calender, time zone...etc .. and modify these things through my application itself? </li>
  <li>can i make my time stamp in Database linked to application clock and how to achieve that? </li>
  </ul>