clone method
Implementation
int clone(Pointer<Pointer<COMObject>> ppstm) => (ptr.ref.vtable + 13)
.cast<
Pointer<
NativeFunction<
Int32 Function(
Pointer, Pointer<Pointer<COMObject>> ppstm)>>>()
.value
.asFunction<
int Function(Pointer, Pointer<Pointer<COMObject>> ppstm)>()(
ptr.ref.lpVtbl, ppstm);