This is one of those things in Windows I have NEVER been able to get the hang of and it drives me crazy. I'm sure at one point I used to do it.
You know when you click in a browser's URL field or the directory path field in Explorer and it highlights the whole field? Well then sometimes you might click again and it deselects it so you want to highlight the whole thing again. Hopefully without having to drag across the thing, or without having to click outside the field and click in it again. . I swear that at some point you used to be able totriple click to do it. Double clicking just highlights individual words. If I triple click randomly around the field then sometimes it works. Sometimes. But then I can't do it again, and I've never been able to work out exactly where I triple clicked to make it work.
This is not that much of a big deal of course, but nonetheless it bugs me. Windows can be so sloppy and clumsy at times. Why doesn't crap like this just work easily and consistently?