roundDouble method

double roundDouble(
  1. double value
)

Implementation

double roundDouble(double value) {
  final result = calloc<Double>();

  try {
    final hr = ptr.ref.vtable
        .elementAt(11)
        .cast<
            Pointer<
                NativeFunction<
                    HRESULT Function(VTablePointer lpVtbl, Double value,
                        Pointer<Double> result)>>>()
        .value
        .asFunction<
            int Function(VTablePointer lpVtbl, double value,
                Pointer<Double> result)>()(ptr.ref.lpVtbl, value, result);

    if (FAILED(hr)) throwWindowsException(hr);

    return result.value;
  } finally {
    free(result);
  }
}