UltraEdit, UltraCompare, UEStudio forums

In the 'file view' dockable window; I see a drop-down at the top of the 'open' pane and I can't figure out what it does. Here's a screenshot of what I mean: https://i.imgur.com/0938sFA.png It doesn't seem to be described in the documentation here: https://www.ultraedit.com/wiki/File_view At first I ...