Directly to the left of the line where you want to add the breakpoint, open the marker bar (vertical ruler) pop-up menu and click Toggle breakpoint.

在要加断点的行的最左边打开标记栏(垂直标尺)弹出菜单并单击Toggle Breakpoint。

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In the final implementation, the icon will line up with the text in a cell, and the icon will follow the cell's vertical alignment.

在最后的实施中，图标会和单元格中的文本整齐排列，图标会遵循单元格的竖直对齐。

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I lined up the doors with both vertical lines, as well as the bottom horizontal line.

我把大门放在两条垂直线之间，上侧刚好在一条水平线上。

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