FLex 自定义ToolTip中显示自定义图片（转载）
http://hi.baidu.com/qiyangyang2009/blog/item/a641d03943ddc7fcb211c7af.html
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600">
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import mx.controls.ToolTip;
import mx.events.ToolTipEvent;
import mx.managers.ToolTipManager;
private function createToolTips(event:ToolTipEvent):void {
var tip:MyToolTips=new MyToolTips();
tip.str="我的SuperToolTIp";
tip.str1="img/01.gif";
event.toolTip = tip;
}
private function showToolTips(evt:ToolTipEvent):void{
evt.toolTip.x=a.x + a.width + 10;
evt.toolTip.y=a.y;
}
]]>
</fx:Script>
<mx:HBox height="100%" verticalAlign="middle" width="100%" horizontalAlign="center">
<mx:Button id="a"
label="SuperToolTip"
width="100"
toolTip="00000"
toolTipCreate="createToolTips(event);"
toolTipShow="showToolTips(event);"/>
</mx:HBox>
</s:Application>
自定义ToolTip
MyToolTips.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:Canvas xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
implements="mx.core.IToolTip"
xmlns:mx="library://ns.adobe.com/flex/mx"
backgroundColor="#00ff33" alpha=".8" width="100%" borderStyle="solid" cornerRadius="7">
<fx:Script>
<![CDATA[
import mx.core.IToolTip;
public var str:String="";
public var str1:String="";
public var _text:String;
public function get text():String {
return _text;
}
public function set text(value:String):void {
}
]]>
</fx:Script>
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
</fx:Declarations>
<mx:VBox width="100%" height="100%">
<mx:Image source="{str1}"/>
<mx:Text text="{this.str}" color="#000000" fontSize="13"/>
</mx:VBox>
</mx:Canvas>
