Opaque rectangles represent containers (objects that can contain controls).
In rr.controls.xxx>yyy, xxx corresponds to the type of control and yyy to the style of the object. If you create a slider, select it and type "put the style of the selectedobject" in the message box, you will get "scale". For the combobase, the last value (>zzz) corresponds to the value for the menuMode property.
