TNullPtr

type TNullPtr = record

public

  class operator assign(TNullPtr):Pointer();

  class operator assign(TNullPtr):TObject();

  class operator equal(TNullPtr,Pointer):Boolean();

  class operator equal(TNullPtr,TObject):Boolean();

  class operator equal(Pointer,TNullPtr):Boolean();

  class operator equal(TObject,TNullPtr):Boolean();

  class operator notequal(TNullPtr,Pointer):Boolean();

  class operator notequal(TNullPtr,TObject):Boolean();

  class operator notequal(Pointer,TNullPtr):Boolean();

  class operator notequal(TObject,TNullPtr):Boolean();

end;