<?xml version="1.0" encoding="utf-8"?>
  <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
          creationComplete="initApp()">
  
          <mx:Script>
                  <![CDATA[
                          
                          import mx.controls.TextInput;
                          
                          private function initApp():void
                          {
                                  var myTextInput:TextInput = new TextInput();
                                  myTextInput.toolTip = "This is a TextInput control";
                                  addChild(myTextInput);
                          }
                          
                  ]]>
          </mx:Script>
          
  </mx:Application>