Use click event to change the TextArea control's background color

   
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
    height="420">
    <mx:RichTextEditor id="rte1" backgroundColor="#ccffcc"
        title="Rich Text Editor"
        creationComplete="rte1.textArea.setStyle('backgroundColor','0xeeffee')"
        text="Simple sample text" />
        
    <mx:Button label="Change appearance"
        click="rte1.textArea.setStyle('backgroundColor','0xffffff');rte1.colorPicker.selectedIndex=27;" />
    <mx:Button label="Reset Appearance" click="rte1.textArea.setStyle('backgroundColor','0xeeffee');rte1.colorPicker.selectedIndex=0;" />
</mx:Application>

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Use click event to change the TextArea control's background color : TextArea « Components « Flex

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