property Lights : TLightSet
Determines all of the lights displayed in the status bar.
Lights is simply a class that contains properties for each port condition that TApxSLController can monitor. In the Object Inspector, these individual light properties show up as sub-properties. That is, the inspector shows a property called Lights which will expand into a list of individual properties when double-clicked.
For more information, see "The Lights Property" in the printed documentation.