Size property

Implementation

int get Size {
  final retValuePtr = calloc<Uint32>();

  try {
    final hr = ptr.ref.vtable
        .elementAt(7)
        .cast<
            Pointer<
                NativeFunction<
                    HRESULT Function(
          Pointer,
          Pointer<Uint32>,
        )>>>()
        .value
        .asFunction<
            int Function(
          Pointer,
          Pointer<Uint32>,
        )>()(ptr.ref.lpVtbl, retValuePtr);

    if (FAILED(hr)) throw WindowsException(hr);

    final retValue = retValuePtr.value;
    return retValue;
  } finally {
    free(retValuePtr);
  }
}