在先前的示例中，第一个列(如总经理)被指定为常数值。
In the previous examples, the first column (i.e., the top manager) was specified as constant value.
对列的属性(如列的标识)进行了更改。
Changes to a column property, such as the identity of a column.
如仍相等，则以参加项目多者列前。
If were still equal, before participates in the project many row.
这个集合中也包含如工具列按钮之类的其他元件。
This collection can also include other components, such as the buttons of a toolbar.
这个集合中也包含如工具列按钮之类的其他元件。
This collection can also include other components, such as the buttons of a toolbar.
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