[mapguide-users] Using DigitizePoint(handler) Errors

[Chao Wang]

Hi all,

I want to use DigitizePoint(handler) to fetch the point I clicked on the
map. However, I cannot get the right results. I attach my code here, can you
help check the codes and tell about the mistakes in using. Did I use the
wrong structure of handler in DigitizePoint(handler);
<script language="javascript" type="text/javascript">
          function Point(x,y) {
            this.x = x;
            this.y = y;
          }
          var p=new Point(0,0)
          function getPoint() {
            opener.top.showMap.mapFrame.DigitizePoint(p); //the structure
of frames is right, which means the DigitizePoint function can be reached.
            document.write(p.x);
            document.write(p.y);
            return;
         }
      </script>
The expected out put of p.x and p.y would be the coordinates as the piont I
clicked, but right now it shows original value(0,0).
When I click the mouse on the map, it shows an error that "digihandler is
not a function", comes from the file of
mapguide2010/mapviewernet/mapframe.aspx. And the codes contains the error
is:
function OnShapeDigitized(shape)
{
  if(digitizing)
  {
      digitizing = false;
      if(digihandler != null)
      {
          digihandler(shape);
          digihandler = null;
      }
  }
}

Any suggestions are helpful. Thanks.