Guide:Add, Remove, and Hide Auxiliary Lines
Add / Remove Auxiliary Line (Red Line)
Hover the mouse over the position where you need to add auxiliary lines.
![add remove auxiliary line add](https://images.wondershare.com/mockitt/guide/add-remove-auxiliary-line%20(red%20line)-add.jpg)
Hover the mouse over the auxiliary line near the ruler where you will see " x ", click it to delete.
![add remove auxiliary line delete](https://images.wondershare.com/mockitt/guide/add-remove-auxiliary-line%20(red%20line)-delete.jpg)
Hide Auxiliary Lines
The auxiliary line can be hidden with the ruler, you need to turn off the "Ruler" in "More" - "Preferences" in the upper right corner of the editing area.
![hide auxiliary lines](https://images.wondershare.com/mockitt/guide/hide-auxiliary-lines.jpg)