title: How to draw a point over an image in Image(WPF), runtime with event
body: <p>I have the following problem: I'm using <code>Image</code> component in WPF. I load my <code>Image</code> that is a <code>map</code> for me. I want to make a <code>Button</code> that if I click on, I will be allowed to click on my <code>map</code> and draw a point. That point should be "unique", so it should remember <strong>coordinates/description</strong>(I will store it in a database).
  Coordinates should be read only from that image, not from the whole form.
  I need <code>OnMouseClick</code> event after my point creation. </p>
  
  <p>What should I use/read about to do that ?</p>