Internally it is simple.

delete this
=
call ThisClass::~ThisClass () ; // Destructor
free (this) ;  // deallocation

It's like you're calling from anywhere else.
Of course , "delete this" must be the last statement using object
members(data or function) in the procedure you are in, because "this"
pointer is no more valid after the deletion.

delete this is usually usefoul with reference counted objects (as in
COM), but I won't suggest it's use anywhere else. You could probably
see a "delete this" in the Release function of COM objects.

Good bye
QbProg