title: How can I overrule/change and then reset a Binding?
body: <p>I have a Canvas whose Width &amp; Height are databound, e.g. Width:<br>
  <code>Width="{Binding DrawingSize.Width, NotifyOnTargetUpdated=True}"</code>.<br>
  When I set the Canvas's Width somewhere in code behind to another value, the Binding is lost.<br>
  Can somebody explain why that is or where MSDN explains it?</p>