It seems that your forum post has been submitted before it is finished. Please explain once again what are you trying to do.
If you want to change the styling of the focused
splitbar, you can use:
If you want to change the styling of the dragged
scrollbar, you can use:
The dragged scrollbar is the phantom splitbar, that the user is moving during pane resizing. The focused splitbar is the one that stays static and shows the dragged splitbar's old position.
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