TrvActionColor is the action for "Background Color" command.
TrvActionCustomColor = class(TrvActionCustomColor)
The action changes the target editor's Color property.
if rvfoSaveBack is included in the target editor's RVFOptions property, this change is made as an editing operation (and can be undone by the user)
This action does not introduce any new properties and events in addition to properties and events of TrvActionCustomColor.