Select the Select One element from the palette and click in the canvas under the Header element that was just added.
从调色板中选择Select One元素，并单击刚才添加的Header元素下面的画布。
There is one difference to note here: because an image button is a click-able form element, you should always provide alternate text for it.
这里有一个要注意的不同点：因为图像按钮是可单击的表单元素，所以您应该总是为它提供替代文本。
Now only one setting left to do in order to avoid any problems: click on the Project menu and select the [YourApplication 'sname] Properties element.
现在只剩下一个设置，以避免任何问题：点击“项目”菜单中，选择利用[名字]属性元素。
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