Hi -
I believe it will work for video but only in a very restricted way - the video clips you are going to modify must all start with the same duration.
So if you had edited 10 clips to the timeline with a duration of 3 seconds each, then wanted to modify that to 1 second each, you can select all the clips and use the "control-click select duration" method to modify them to a new duration.
If you have edited clips to the timeline, each with a unique duration and try to use that method to modify the clips to a single uniform duration, +it won't work.+ You'll end up with a hodge-podge of durations.
MTD