TLCLReferenceComponent

type TLCLReferenceComponent = class(TLCLComponent)

protected

  procedure CreateParams(); virtual;

CreateParams - create parameters

  procedure DestroyReference;

DestroyReference - destroys the reference if it has been allocated and adjusts the pointers

  function GetReferenceHandle; virtual; abstract;

GetReferenceHandle - returns the Handle for this reference

  procedure ReferenceCreated; virtual;

ReferenceCreated - gets called after the Handle is created

  procedure ReferenceDestroying; virtual;

ReferenceDestroying - the reference is being destroyed; gets called before the Handle is destroyed

  procedure ReferenceNeeded;

If ReferenceNeeded and not yet allocated, creates a reference using the correct widgetset and parameters

  function WSCreateReference(); virtual;

WSCreateReference - returns a widget set reference

  procedure WSDestroyReference; virtual;

WSDestroyReference - destroys widget set reference

public

  destructor Destroy; override;

Destroys the Reference, prior to calling the inherited destructor.

  property Handle: TLCLIntfHandle; [r]

Get the Handle of this component.

  property HandleAllocated: Boolean; [r]

HandleAllocated - if True, a handle (reference) has been allocated to this component

  property ReferenceAllocated: Boolean; [r]

ReferenceAllocated - if True, a handle (reference) has been allocated to this component

end;

TLCLReferenceComponent

Base class for all components having a handle.

TLCLComponent

TLCLComponent - base class for LCL components

TComponent,IUnknown,IInterfaceComponentReference

TPersistent

TObject