获取对当前窗口或框架的引用.

Retrieves a reference to the current window or frame.

请允许用户关闭衍生的窗口。不要产生弹出式窗口。不要在未通知用户的情况下，更改当前窗口。

Allow users to turn off spawned windows. Do not cause pop-ups. Do not change the current window without informing users.

使用此命令把当前窗口分割成块.

Use this command to split the active window into pane.

当其他窗口最大化以后，当前窗口就被遮挡住了，所以触发这条消息。

Message is sent to all pop-up windows when some other window is maximized.

一个复选标记出现在当前窗口的文档名前面.

A check mark appear in front of the document name of the active window.

让调用对象在当前窗口失去事件首对象状态。

Notifies the receiver that it's been asked to relinquish its status as first responder in its window.

相反，当前窗口的内容将自动移动以便当前焦点从不被键盘覆盖和用户能总是看到输入内容的部分。

Rather, the contents of the window are automatically panned so that the current focus is never obscured by the keyboard and users can always see what they are typing.

允许你复制一个完全相同的标签页(括浏览历史等)在新窗口或当前窗口打开.

Duplicate Tab allows you to clone a tab along with its history.