Use SeriesSlide effect to make the data slide in and out
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<!-- charts/BasicSeriesSlideEffect.mxml -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:Script>
import mx.collections.ArrayCollection;
[Bindable]
public var expenses1:ArrayCollection = new ArrayCollection([
{Month:"Jan", Income:2000, Expenses:1500},
{Month:"Feb", Income:1000, Expenses:200},
{Month:"Mar", Income:1500, Expenses:500}
]);
[Bindable]
public var expenses2:ArrayCollection = new ArrayCollection([
{Month:"Jan", Income:1200, Expenses:800},
{Month:"Feb", Income:2500, Expenses:300},
{Month:"Mar", Income:575, Expenses:490}
]);
public function changeProvider():void {
myChart.dataProvider=expenses2;
}
</mx:Script>
<!-- Define chart effects -->
<mx:SeriesSlide id="slideIn" duration="1000" direction="up" />
<mx:SeriesSlide id="slideOut" duration="1000" direction="down" />
<mx:Panel title="Column Chart with Basic Series Slide Effect">
<mx:ColumnChart id="myChart" dataProvider="{expenses1}">
<mx:horizontalAxis>
<mx:CategoryAxis dataProvider="{expenses1}"
categoryField="Month" />
</mx:horizontalAxis>
<mx:verticalAxis>
<mx:LinearAxis minimum="0" maximum="3000" />
</mx:verticalAxis>
<mx:series>
<mx:ColumnSeries xField="Month" yField="Income"
displayName="Income" showDataEffect="slideIn"
hideDataEffect="slideOut" />
<mx:ColumnSeries xField="Month" yField="Expenses"
displayName="Expenses" showDataEffect="slideIn"
hideDataEffect="slideOut" />
</mx:series>
</mx:ColumnChart>
<mx:Legend dataProvider="{myChart}" />
</mx:Panel>
<mx:Button id="b1" click="changeProvider()" label="Change Data Provider" />
</mx:Application>
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