与简单的文本框不同，不能直接读取该控件的 value属性 —必须遍历下拉菜单的选项，直到发现当前选中的项（selected）。

Unlike simple text boxes, you can't just read the value property of the control—you must iterate over the drop-down menu's options until you find the one that is currently selected.

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ControllerConstructorTypes——这是一个只读属性，读取从ControllerConstructorArgs设置的类型，其用于实例化控件。

ControllerConstructorTypes - This is a read-only property that pulls the types from the ControllerConstructorArgs, it's used for instantiating the control.

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如需在你的图形用户界面中使用图形用户界面皮肤，你必须使用一个简单的脚本去读取和使用皮肤到你的控件。

To apply a GUISkin to your GUI, you must use a simple script to read and apply the Skin to your Controls.

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