AddHours method

void AddHours(
  1. int hours
)

Implementation

void AddHours(int hours) {
  final hr = _thisPtr.ref.vtable
      .elementAt(75)
      .cast<Pointer<NativeFunction<HRESULT Function(Pointer, Int32 hours)>>>()
      .value
      .asFunction<
          int Function(Pointer, int hours)>()(_thisPtr.ref.lpVtbl, hours);

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