此外，您可能会想要隐藏并停用功能表或功能表项目，因为单独隐藏并无法防止使用者经由使用快速键存取功能表命令。

Furthermore, you might want to both hide and disable the menu or menu item, as hiding alone does not prevent the user from accessing a menu command by using a shortcut key.

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使用者可能会无法使用便捷键存取所要的控制项，而且可能会启用不想要的控制项。

The user might not be able to access the intended control by using the access key and a control other than the one that is intended might be enabled.

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集合类别必须提供方法，根据事件索引键来设定、存取和撷取事件处理常式委派。

The collection class must provide methods for setting, accessing, and retrieving the event handler delegate based on the event key.

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