toolTipField 屬性.
示例：

代碼：
? <?xml?version="1.0"?encoding="utf-8"?>
<!--?http://blog.flexexamples.com/2008/04/27/setting-a-custom-tool-tip-field-on-a-buttonbar-control-in-flex/?-->
<mx:Application?xmlns:mx="http://www.adobe.com/2006/mxml"
????????layout="vertical"
????????verticalAlign="middle"
????????backgroundColor="white">

????<mx:Array?id="arr">
????????<mx:Object?label="Accordion"
????????????????toolTip="Le?Accordion"
????????????????icon="@Embed('assets/Accordion.png')"?/>
????????<mx:Object?label="ApplicationControlBar"
????????????????toolTip="Le?ApplicationControlBar"
????????????????icon="@Embed('assets/ApplicationControlBar.png')"?/>
????????<mx:Object?label="Box"
????????????????toolTip="Le?Box"
????????????????icon="@Embed('assets/Box.png')"?/>
????????<mx:Object?label="Canvas"
????????????????toolTip="Le?Canvas"
????????????????icon="@Embed('assets/Canvas.png')"?/>
????????<mx:Object?label="ControlBar"
????????????????toolTip="Le?ControlBar"
????????????????icon="@Embed('assets/ControlBar.png')"?/>
????</mx:Array>

????<mx:ButtonBar?id="buttonBar"
????????????dataProvider="{arr}"
????????????labelField="label"
????????????toolTipField="toolTip"
????????????iconField="icon"
????????????height="32"?/>

</mx:Application>

轉載于:https://www.cnblogs.com/xxcainiao/archive/2008/04/29/1176583.html

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