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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- sparktextcontrols/AddTextExample.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">
<s:layout>
<s:VerticalLayout />
</s:layout>
<fx:Script>
[Bindable]
private var newText:String = "<p>This is the new text.</p>";
private function insertNewText():void {
myRET.insertText(newText);
}
private function appendNewText():void {
myRET.appendText(newText);
}
</fx:Script>
<s:RichEditableText id="myRET" height="100" width="200">
<s:textFlow>
<s:TextFlow>
<s:p>This is paragraph 1.</s:p>
<s:p>This is paragraph 2.</s:p>
</s:TextFlow>
</s:textFlow>
</s:RichEditableText>
<s:HGroup>
<s:Button label="Insert New Text" click="insertNewText()" />
<s:Button label="Append New Text" click="appendNewText()" />
</s:HGroup>
<s:Label text="New text to add: '{newText}'" />
</s:Application>
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