desiredAccuracyInMeters property

int? get desiredAccuracyInMeters

Implementation

int? get desiredAccuracyInMeters {
  final retValuePtr = calloc<COMObject>();

  final hr = ptr.ref.vtable
          .elementAt(6)
          .cast<
              Pointer<
                  NativeFunction<
                      HRESULT Function(Pointer, Pointer<COMObject>)>>>()
          .value
          .asFunction<int Function(Pointer, Pointer<COMObject>)>()(
      ptr.ref.lpVtbl, retValuePtr);

  if (FAILED(hr)) {
    free(retValuePtr);
    throw WindowsException(hr);
  }

  if (retValuePtr.ref.lpVtbl == nullptr) {
    free(retValuePtr);
    return null;
  }

  final reference = IReference<int>.fromRawPointer(retValuePtr,
      referenceIid: '{513ef3af-e784-5325-a91e-97c2b8111cf3}');
  final value = reference.value;
  reference.release();

  return value;
}

set desiredAccuracyInMeters (int? value)

Implementation

set desiredAccuracyInMeters(int? value) {
  final referencePtr = value == null
      ? calloc<COMObject>()
      : boxValue(value, convertToIReference: true, nativeType: Uint32);

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

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

  if (value == null) free(referencePtr);
}