title: how to change (x,y) to geo-location in google-maps v3
body: <p>in v2:</p>
  
  <pre><code>point = map.fromContainerPixelToLatLng(new GLatLng(x,y));}
  </code></pre>
  
  <p>in v3 i do this:</p>
  
  <pre><code>point = map.MapCanvasProjection.fromContainerPixelToLatLng(new LatLng(x,y));
  </code></pre>
  
  <p>and error..</p>
  
  <p>how to do this?</p>
  
  <p>thanks</p>