Hello, I have a ColumnChart whose columns are based on selections in
another part of the app. So there can be anywhere between 1 and 4
column sets. Unfortunately, I can't figure out how to add the
ColumnSeries items dynamically, so my legend always has 4 items,
regardless of the actual data. Here are my ColumnChart and Legend objects:
<mx:ColumnChart dataProvider="{chartObj}" id="column">
<mx:horizontalAxis>
<mx:CategoryAxis dataProvider="{chartObj}"
categoryField="PAAge"/>
</mx:horizontalAxis>
<mx:series>
<mx:Array>
<mx:ColumnSeries displayName="{arr_legend.getItemAt(0)}"
yField="{arr_legend.getItemAt(0)}"/>
<mx:ColumnSeries displayName="{arr_legend.getItemAt(1)}"
yField="{arr_legend.getItemAt(1)}"/>
<mx:ColumnSeries displayName="{arr_legend.getItemAt(2)}"
yField="{arr_legend.getItemAt(2)}"/>
<mx:ColumnSeries displayName="{arr_legend.getItemAt(3)}"
yField="{arr_legend.getItemAt(3)}"/>
</mx:Array>
</mx:series>
</mx:ColumnChart>
<mx:Legend dataProvider="{column}"/>
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