<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" viewSourceURL="srcview/index.html">

    <mx:XMLList id="treeData">
        <node>
            <node label="Level 1 - 1">
                <node label="Level 2">
                    <node label="Level 3">
                        <node label="Level 4">
                            <node label="Level 5"/>
                        </node>
                    </node>
                </node>
            </node>
            <node label="Level 1 - 2">
                <node label="Level 2">
                    <node label="Level 3">
                        <node label="Level 4">
                            <node label="Level 5"/>
                        </node>
                    </node>
                </node>
            </node>
            <node label="Level 1 - 3">
                <node label="Level 2">
                    <node label="Level 3">
                        <node label="Level 4">
                            <node label="Level 5"/>
                        </node>
                    </node>
                </node>
            </node>
        </node>    
    </mx:XMLList>

    <mx:Tree id="myTree" width="100%" height="100%" labelField="@label"
        showRoot="false" dataProvider="{treeData}"
        itemRenderer="renderers.ColoredFolderTreeItemRenderer"  />

</mx:Application>