TAppletApplication = class(TComponent)
class PASCALIMPLEMENTATION TAppletApplication : public System::Classes::TComponent
TAppletApplication represents a Windows control panel application.
TAppletApplication represents an application that implements one or more applets, each of which appear in the Windows control panel. Each applet that the application implements is built using an AppletModule, which is a special data module that holds the nonvisual components in the applet and which responds when users execute the applet from the control panel. TAppletApplication contains a set of AppletModules. It lets you respond to a number of events that are called by the Windows control panel for starting up or shutting down the application.
A global Application variable of type TAppletApplication is declared in the CtlPanel unit.