Interesting thing to follow up with you here... so I spoke with the developer of GFlagsX (who also happens to author the great Windows Internals books) and he created a patch based on your feedback. I also suggested that it needed some more flexibility to the UI for low screen res. Anyway, within just a few hours today he has already published an update. (https://github.com/zodiacon/GflagsX/releases/tag/0.21) However, there is a bit of a problem at the moment because he has only provided the updated source code for this build so far and no compiled binary. So we will have to keep an eye there and see if he uploads a binary or I will have to look into compiling it in case he does not.