Which property acts like the vertical-/horizontalScrollPolicy in an spark-project?

Question

Hi there,
I could use these two properties for the halo components, but how can i control it in an spark project?
I want to control the document class, but i don´t find any property that show/hide both of the scrollers.
I also added a skinClass, with the consideration that i can use these properties from the skin-file.
but with no positiv result.
Any tips and hints?

Answer 1

Hi ak,
Spark containers don't have a concept of verticalScrollPolicy/horizontalScrollPolicy like what existed in Halo.  Instead you can either wrapper a Scroller component around the spark container or hook up your own scroll bars by binding to the verticalScrollPosition/horizontalScrollPosition properties.
Here's an example of how to use a Scroller:
<s:Scroller width="100" height="100">
    <s:Group id="containerToScroll">
        <s:Button width="200" height="200" label="test" />
    </s:Group>
</s:Scroller>
Here's an example of binding to the verticalScrollPosition/horizontalScrollPosition properties:
<s:Group>
    <s:Group
        id="containerToScroll"
        width="100" height="100"
        clipAndEnableScrolling="true"
        verticalScrollPosition="{vsp.value}"
        horizontalScrollPosition="{hsp.value}"
        >
        <s:Button width="200" height="200" label="test" />
    </s:Group>
    <s:VScrollBar id="vsp" minimum="0" value="0" maximum="100" x="100" height="100" />
    <s:HScrollBar id="hsp" minimum="0" value="0" maximum="100" y="100" width="100" />
</s:Group>
You can read more about how scrolling works in spark in this blog post.