<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/07/16/disabling-keyboard-navigation-on-the-combobox-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="top"
        backgroundColor="white"
        initialize="init();">

    <mx:Script>
        <![CDATA[
            import mx.containers.Form;
            import mx.containers.FormItem;
            import comps.*;

            private var arr:Array;
            private var myComboBoxMXML:MyComboBoxMXML;
            private var myComboBoxAS:MyComboBoxAS;

            private function init():void {
                arr = [];
                arr.push({label:"One"});
                arr.push({label:"Two"});
                arr.push({label:"Three"});
                arr.push({label:"Four"});
                arr.push({label:"Five"});
                arr.push({label:"Six"});
                arr.push({label:"Seven"});
                arr.push({label:"Eight"});
                arr.push({label:"Nine"});
                arr.push({label:"Ten"});

                myComboBoxMXML = new MyComboBoxMXML();
                myComboBoxMXML.dataProvider = arr;

                var formItem1:FormItem = new FormItem();
                formItem1.label = "MXML:";
                formItem1.addChild(myComboBoxMXML);

                myComboBoxAS = new MyComboBoxAS();
                myComboBoxAS.dataProvider = arr;

                var formItem2:FormItem = new FormItem();
                formItem2.label = "ActionScript:";
                formItem2.addChild(myComboBoxAS);

                var form:Form = new Form();
                form.addChild(formItem1);
                form.addChild(formItem2);
                addChild(form);
            }
        ]]>
    </mx:Script>

</mx:Application>