tourdeflexmodules/src/mx/containers/SimpleCanvasExample.mxml

<?xml version="1.0"?>
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<!-- Simple example to demonstrate the Canvas layout container.-->
<mx:Module xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:mx="library://ns.adobe.com/flex/mx"
				paddingBottom="0" paddingTop="0" paddingLeft="0" paddingRight="0"
				height="100%" width="100%">

    <mx:Panel title="Canvas Container Example"
				paddingBottom="10" paddingTop="10" paddingLeft="10" paddingRight="10"
				height="100%" width="100%">

        <mx:Label width="100%" 
            text="Use absolute positioning to place the children of a Canvas container."/>

        <mx:Canvas borderStyle="solid" height="200" width="100%">

            <!-- Stagger the position of the TextInput controls using absolute positioning.-->
            <mx:TextInput width="100" x="50" y="5"/>
            <mx:TextInput width="100" x="100" y="30"/>
            <mx:TextInput width="100" x="150" y="55"/>

            <!-- Overlap the VBox containers using layout constraints.-->
            <mx:VBox right="115" bottom="50" width="75" height="75" backgroundColor="#0080C0"/>
            <mx:VBox right="70" bottom="30" width="75" height="75" backgroundColor="#FFFF80"/>
            <mx:VBox right="25" bottom="10" width="75" height="75" backgroundColor="#8080C0" alpha="0.8"/>

            <mx:Text right="25" y="110"
                text="The Canvas container lets you place components on top of each other."/>
        </mx:Canvas>
    
    </mx:Panel>
</mx:Module>