title: WPF: How to draw a circle and drag it around?
body: <p>I am new to WPF.</p>
  
  <p>I want to <strong>draw a small circle</strong> on Canvas when I <strong>click mouse</strong> and be able to <strong>drag it around smoothly</strong>. </p>
  
  <p>How can I accomplish this?</p>