Define three SolidColor objects and three custom SolidColorStroke objects, and applies them to the PlotSeries objects in the PlotChart control.
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<!-- charts/PlotFills.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:s="library://ns.adobe.com/flex/spark"
height="600">
<fx:Script>
import mx.collections.ArrayCollection;
[Bindable]
public var expenses:ArrayCollection = new ArrayCollection([
{Month:"Jan", Profit:20, Expenses:15, Amount:145},
{Month:"Feb", Profit:1, Expenses:2, Amount:60},
{Month:"Mar", Profit:15, Expenses:5, Amount:3}
]);
</fx:Script>
<fx:Declarations>
<!-- Define custom colors for use as plot point fills. -->
<mx:SolidColor id="sc1" color="blue" alpha=".3" />
<mx:SolidColor id="sc2" color="red" alpha=".3" />
<mx:SolidColor id="sc3" color="green" alpha=".3" />
<!-- Define custom SolidColorStrokes. -->
<mx:SolidColorStroke id="s1" color="blue" weight="1" />
<mx:SolidColorStroke id="s2" color="red" weight="1" />
<mx:SolidColorStroke id="s3" color="green" weight="1" />
</fx:Declarations>
<s:layout>
<s:VerticalLayout />
</s:layout>
<s:Panel title="Plot Chart with custom fills">
<s:layout>
<s:VerticalLayout />
</s:layout>
<mx:PlotChart id="myChart" dataProvider="{expenses}"
showDataTips="true">
<mx:series>
<mx:PlotSeries xField="Expenses" yField="Profit" displayName="Plot 1" fill="{sc1}" stroke="{s1}" />
<mx:PlotSeries xField="Amount" yField="Expenses" displayName="Plot 2" fill="{sc2}" stroke="{s2}" />
<mx:PlotSeries xField="Profit" yField="Amount" displayName="Plot 3" fill="{sc3}" stroke="{s3}" />
</mx:series>
</mx:PlotChart>
<mx:Legend dataProvider="{expenses}" />
</s:Panel>
</s:Application>
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