I am not aware of a way to make the sub panel enlarge. Obviously you can make the Properties Palette larger by simply dragging a corner but this won't make that one panel (or pull-down) any larger. Please select the Accept as Solution button if my post solves your iss...
Like RailClone, we can use the splines and surfaces created by Civil View to carefully place foliage without any need to add additional base objects in Max. Adding Trees Click to enlarge Go to Create Panel>Geometry>iToo Software and select Forest Pack. Create a new Forest Pack Object by pick...