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for(var iIndex=0;iIndex<100;iIndex++){
var pPoints=getRandPolygon();
var strPoints=pPoints.join(",");
var poly=new Polygon(strPoints,"transparent", 0,0,"transparent");
var pBound =new Polyline(strPoints,"#ff0000", 1,0.7,1);

_MapApp.addOverlay(poly);
  var strMsg= " ³¤¶È:"+poly.getLength()+",Ãæ»ý:"+poly.getArea();
  poly.data = strMsg ;
  poly.boundry = pBound ;
  
poly.addListener("mouseover",function(e){showtip(poly);});
poly.addListener("mouseout",function(){htm();});


}
Ϊʲôѭ»·ÍêÁË ÒÔºóÊó±êmouseover ʵÌåÉÏshowtip Ö´ÐеĶ¼ÊÇ×îºóÒ»¸öpolyµÄÄÚÈÝ????

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try[
code=JScript]poly.addListener("mouseover",function(e){showtip(poly);});
poly.addListener("mouseout",function(){htm();});
------------
(function(){poly.addListener("mouseover",function(e){showtip(poly);});
poly.addListener("mouseout",function(){htm();});
})();[/code]

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JScript code

poly.addListener("mouseover",function(e){showtip(poly);});
//¸ÄΪ

poly.addListener("mouseover",function(p){
return function(e){