sethour.addEventListener(TextEvent.TEXT_INPUT,onTextInput);
   sethour.addEventListener(FocusEvent.FOCUS_IN,onFocusInHour);
   sethour.addEventListener(FocusEvent.FOCUS_OUT,onFocusOutHour);
 

AS3绘制虚线

for(var i:int=0;i<10;i++){
graphics.moveTo(50+i*20,50);
graphics.lineStyle(1,0xff,1);
graphics.lineTo(60+i*20,50);
}

package {
 import fl.controls.*;
 import fl.managers.*;
 import flash.display.*;
 import flash.text.*;

 public class Test extends Sprite {

  public function Test() {
  
...

package components{
 import flash.display.*;
 import flash.events.*;
 import flash.text.*;
 import flash.filters.*;
 import flash.net.*;

 public class LockStage {
  public static var stage:Stage;
...

1、让textarea滚动至最底端

textArea.verticalScrollPosition = textArea.maxVerticalScrollPosition;

2、控制datagrid的交换背景颜色

private var defaultAlternatingItemColors:Array = [0xF7F7F7, 0xFFFFFF];

dataGrid.setStyle("alternatingItemColors", defaultAlternatingItemColors);

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

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

输出对象的类型名称 getQualifiedClassName()
trace(getQualifiedClassName(txt));

navigateToURL() 可以用来打开一个新的浏览器窗口，也可以用来flex和js之间的通信。比如:
    打开一个新窗口：
var url:URLRequest = new URLRequest(http://blog.csdn.net);
navigateToURL(url, _blank);
...