Load method
Implementation
int Load(Pointer<COMObject> pStm) => ptr.ref.vtable
.elementAt(5)
.cast<
Pointer<
NativeFunction<
Int32 Function(Pointer, Pointer<COMObject> pStm)>>>()
.value
.asFunction<int Function(Pointer, Pointer<COMObject> pStm)>()(
ptr.ref.lpVtbl, pStm);