TIdBaseComponent = class(TIdInitializerComponent);

TIdBaseComponent is a TIdInitializerComponent descendant that represents the class used as an ancestor for Indy components. 

TIdBaseComponent implements properties and methods that allow Indy components to access Version number information. 

TIdBaseComponent is used as the ancestor for utility and other non-socket based components. Socket-based components generally inherit from TIdComponent which provides OnWork and OnStatus event handlers.