extraData property

VARIANT extraData

Implementation

VARIANT get extraData {
  final retValuePtr = calloc<VARIANT>();

  try {
    final hr = (ptr.ref.vtable + 19)
        .cast<
            Pointer<
                NativeFunction<
                    Int32 Function(Pointer, Pointer<VARIANT> ExtraData)>>>()
        .value
        .asFunction<
            int Function(Pointer,
                Pointer<VARIANT> ExtraData)>()(ptr.ref.lpVtbl, retValuePtr);

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

    final retValue = retValuePtr.ref;
    return retValue;
  } finally {
    free(retValuePtr);
  }
}
void extraData=(VARIANT value)

Implementation

set extraData(VARIANT value) {
  final hr = (ptr.ref.vtable + 20)
      .cast<
          Pointer<
              NativeFunction<Int32 Function(Pointer, VARIANT ExtraData)>>>()
      .value
      .asFunction<
          int Function(Pointer, VARIANT ExtraData)>()(ptr.ref.lpVtbl, value);

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