I'm no expert but what I do for roll overs is
import mx.charts.HitData;
and in the function do something like
private function formatDataTip(h:HitData) : String {
return h.item.Publication etc.
}
--- In flexcoders@yahoogroups.com, "Joshua Lingwai" <[EMAIL PROTECTED]>
wrote:
>
> Im receiving the following run time error when the mouse rolls over
one of
> my charts:
> ReferenceError: Error #1069: Property hitData not found on
mx.charts.HitData
> and there is no default value.
> at Chart1/::formatDataTip()
> at mx.charts.chartClasses::ChartBase/::invokeDTFunction()
> at mx.charts::HitData/get displayText()
> at mx.charts.chartClasses::DataTip/set data()
> at mx.charts.chartClasses::ChartBase/::updateDataTipToMatchHitSet()
> at mx.charts.chartClasses::ChartBase/::processRollEvents()
> at mx.charts.chartClasses::ChartBase/::mouseMoveHandler()
>
>
> Here is a section of code I believe is causing the error:
>
> private function formatDataTip(obj : Object) : String {
> var name : String = obj.hitData.item.Publication;
> var revenue:Number = obj.hitData.item.Size;
>
>
> return "<b>Publication: "+name+"</b><br>Size: "+ revenue;
> }
>
>
> Any help would be greatly appreciated
>
> Thanks
> Josh
> [EMAIL PROTECTED]
>
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