Scroller and RichEditableText - max position of scroller

Question

Hi
I have maybe quick and easy question, but it's hard to find solution. Does anybody know, how to set max postion of the (vertical) scroller which wrapped RichEditableText ??
I'm writing chat, and vertical scroller must be at the bottom, to see recent message
Here is a code  :
                    <s:Scroller width="100%" id="outputScroller"  height="90%"  >
                        <s:RichEditableText  editable="true" clipAndEnableScrolling="true"
                                             textFlow="{TextConverter.importToFlow(mesgHtml, TextConverter.TEXT_FIELD_HTML_FORMAT)}"
                                             width="100%" id="outputTf" height="100%" />
                    </s:Scroller>
I'll be grateful for the answers,
Best wishes

Answer 1

From this blog entry:
http://blog.flexexamples.com/2009/08/19/setting-the-vertical-scroll-position-on-a-spark-ri cheditabletext-control-in-flex-4/
<?xml version="1.0" encoding="utf-8"?>
<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">
  <mx:ApplicationControlBar width="100%" cornerRadius="0">
    <mx:Form styleName="plain">
      <mx:FormItem label="verticalScrollPosition:">
        <s:HSlider id="slider" minimum="0"
          maximum="{richEditableTxt.contentHeight - richEditableTxt.height}"
          change="richEditableTxt.verticalScrollPosition = slider.value;" />
      </mx:FormItem>
    </mx:Form>
  </mx:ApplicationControlBar>
  <s:RichEditableText id="richEditableTxt" widthInChars="20"
    heightInLines="10" textAlign="justify"
    horizontalCenter="0" verticalCenter="0">
    <s:content>
      <s:p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque tempus, eros ac dignissim interdum, elit sem euismod velit, eget laoreet urna metus nec enim. Cras ornare nulla imperdiet nulla blandit vehicula. Donec risus dolor, sollicitudin nec fringilla nec, aliquet vitae nisl. Duis tincidunt fermentum posuere. Nullam augue sem, rutrum a viverra aliquet, elementum interdum lacus. Aliquam dictum, nulla sit amet tempor commodo, tortor purus ullamcorper turpis, id aliquet dolor mauris vel turpis. Mauris placerat justo non orci porttitor hendrerit. Aenean mattis augue quis turpis dapibus sed eleifend mi sodales. Morbi sem tortor, ultricies vitae laoreet in, viverra id erat. Cras sed varius dolor. Sed vestibulum, sem at vehicula volutpat, enim augue facilisis nunc, ut dapibus nisi mi vel dui. Phasellus elementum leo quis velit mollis aliquam. Fusce a hendrerit lectus. Suspendisse potenti. Nulla urna diam, vulputate sed fringilla eget, consectetur ac risus. Duis sem nisl, hendrerit sit amet volutpat ut, posuere nec diam. Donec dignissim tortor in velit bibendum imperdiet. Sed nibh nulla, fringilla et auctor eu, tincidunt vel arcu.</s:p>
      <s:p>Phasellus egestas nunc et eros accumsan congue ornare nunc vestibulum. In quis erat magna, in mattis purus. Aliquam tempor, velit ac interdum sagittis, nisi neque sodales neque, ac tempus metus leo eget tellus. Cras non gravida tortor. Cras dictum rutrum vehicula. Morbi arcu odio, ultricies quis rhoncus aliquam, consectetur sit amet ligula. In aliquam fermentum mollis. Suspendisse ut massa nibh. Praesent tincidunt, tortor a semper egestas, purus mauris blandit magna, non bibendum leo leo varius odio. Suspendisse aliquet tempor arcu porta posuere.</s:p>
    </s:content>
  </s:RichEditableText>
</s:Application>
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