close method

@override Future<void> close()

Implementation

@override
Future<void> close() async {
  _diShimEventSubscription?.cancel();
  _diShimEventSubscription = null;

  if (!_stateStreamController.isClosed) {
    await _stateStreamController.close();
  }

  await super.close();

  if (_handle != null) {
    try {
      bindings.phidgetClose(_handle!);
    } catch (_) {}
    final pDelete = calloc<bindings.PhidgetHandle>();
    pDelete.value = _handle!;
    try {
      bindings.digitalInputDelete(pDelete);
    } finally {
      calloc.free(pDelete);
    }
    _handle = null;
    // No need to access super._internalHandle here
  }
  isAttached = false;
}