Beautiful progress bar control, various color, various styles.

漂亮的进度条控件，各种颜色，各种样式。

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A self-painted can set the background picture of the progress bar control class.

一个自绘的可以设置背景图片的进度条控件类。

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The Start and Stop buttons below the progress bar are plain JSF buttons that control the bar through their onclick events (see Listing 3).

进度工具条下面的Start和Stop按钮是普通的JSF按钮，通过onclick事件控制着这个工具条(参见列表3)。

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