Vertical split container. Vertical split container. See [SplitContainer]. This goes from top to bottom. $DOCS_URL/tutorials/ui/gui_containers.html Boolean value. If 1 ([code]true[/code]), the grabber will hide automatically when it isn't under the cursor. If 0 ([code]false[/code]), it's always visible. The minimum thickness of the area users can click on to grab the splitting line. If [theme_item separation] or [theme_item grabber]'s thickness are too small, this ensure that the splitting line can still be dragged. The space between sides of the container. The icon used for the grabber drawn in the middle area.