title: WPF numeric textbox
body: <p>How can I have a WPF numberic textbox with two decimal point, for example:</p>
  
  <p>It will start with 0.00, when user key in 1, the value will be 0.01, next when user user key in 2, the value will be 0.21.</p>
  
  <p>When user key in 5003, the value is 30.05.</p>
  
  <p>Thnak you.</p>