Defines the base class for all LCL TComponents including controls
TLCLComponent
- base class for LCL components
WidgetSetClass
- the set of Widgets to be used by this Component
RemoveAllHandlersOfObject
- part of clean-up procedure
TLCLReferenceComponent
- A base class for all components having a handle
Handle
a handle (sort of pointer or reference) allocated by the operating system to this component
HandleAllocated
- if True, a handle (reference) has been allocated to this component
ReferenceAllocated
- if True, a handle (reference) has been allocated to this component