分离帮助窗口
默认情况下，选择F1 时，上下文相关帮助会在代码编辑器旁边的窗口中打开。如果没有足够的垂直空间，帮助会以全屏帮助模式打开。
要指定帮助始终以全屏模式或外部窗口打开，请转到首选项>Help >General 。
在On context help 中设置查看上下文相关帮助的首选项。要分离帮助窗口，请选择Always Show in External Window 。
要在帮助视图中更改此设置，请选择
。
另请参阅 如何：阅读文档。
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