Question

I try to hide treecols in treeview in XUL by setting style to display: none. The labels of treeview rows also disappear however. How can I hide treecols while keeping rows visible?

Answer 1

I guess that you mean to hide the column headers in a tree element. The tree element supports hiding individual columns so when you use display: none style on a column header the entire column is hidden with it. Instead you should use height: 0px; overflow: hidden; style on the treecols element – technically speaking it won’t be hidden then but it won’t be visible on screen either.