The higher the stars, more additional properties.

星级越高, 追加属性越多.

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Optionally, set additional properties to specify where to search or what attributes to search for.

可选择设置附加属性以指定搜索位置或要搜索的特性.

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If you want to bind additional properties of the control, repeat steps 3 through 7.

如果要绑定控件的其他属性, 请重复步骤3到7.

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