getPackageId method
Implementation
int getPackageId(Pointer<Pointer<COMObject>> packageId) => (ptr.ref.vtable +
3)
.cast<
Pointer<
NativeFunction<
Int32 Function(
Pointer, Pointer<Pointer<COMObject>> packageId)>>>()
.value
.asFunction<
int Function(Pointer, Pointer<Pointer<COMObject>> packageId)>()(
ptr.ref.lpVtbl, packageId);