You can get to this area by going to Tools | Options | Text Editor | All Languages | Scroll Bars To see a preview of code using the scroll bar change the behavior from “Use bar mode for vertical scroll bar” to “Use map mode for vertical scroll bar”
You can get to this area by going to Tools | Options | Text Editor | All Languages | Scroll Bars To see a preview of code using the scroll bar change the behavior from “Use bar mode for vertical scroll bar” to “Use map mode for vertical scroll bar”