TThemedRebar describes the possible themable parts of a rebar control.

TThemedRebar = (
  trRebarDontCare,
  trRebarRoot,
  trGripper,
  trGripperVert,
  trBandNormal,
  trBandHot,
  trBandPressed,
  trBandDisabled,
  trBandChecked,
  trBandHotChecked,
  trChevronNormal,
  trChevronHot,
  trChevronPressed,
  trChevronDisabled,
  trChevronVertNormal,
  trChevronVertHot,
  trChevronVertPressed,
  trChevronVertDisabled
);

enum TThemedRebar {
  trRebarDontCare,
  trRebarRoot,
  trGripper,
  trGripperVert,
  trBandNormal,
  trBandHot,
  trBandPressed,
  trBandDisabled,
  trBandChecked,
  trBandHotChecked,
  trChevronNormal,
  trChevronHot,
  trChevronPressed,
  trChevronDisabled,
  trChevronVertNormal,
  trChevronVertHot,
  trChevronVertPressed,
  trChevronVertDisabled
};