You should select the Binds to multi-valued check box if the control would normally bind to a collection or array (that is, if the data is multi-valued).
如果控件正常与一个收集体或者数组(这就是说，数据是多值的)绑定的话，那么您就应该选中绑定至多值复选框。
Needing to switch a list box to or from sorted, or to or from multi select.
需要切换一个列表框或从排序，或选择或从多。
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