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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- sparktextcontrols/SparkTraceSelectionRanges.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" creationComplete="initApp()">
<s:layout>
<s:VerticalLayout />
</s:layout>
<fx:Script>
import mx.core.IUITextField;
import flashx.textLayout.elements.TextRange;
private function initApp():void {
sparkRET.selectRange(0, 10);
}
private function getTextSelection():void {
var anchorPos:int = sparkRET.selectionAnchorPosition;
var activePos:int = sparkRET.selectionActivePosition;
myLabel.text = "Current Selection: \"" + sparkRET.text.substring(anchorPos,activePos) + "\"";
}
</fx:Script>
<s:RichEditableText id="sparkRET"
selectionHighlighting="TextSelectionHighlighting.ALWAYS"
selectable="true" text="Spark RichEditableText control." />
<s:Button click="getTextSelection()" label="Show Current Selection" />
<s:Label id="myLabel" />
</s:Application>
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