Opening Excel Workbook using C++/CLI

Workbook^ LPOpen(Excel::Application^ xl, String^ strPath)
{
    try {
        String^ strFullPath = System::IO::Path::GetFullPath(strPath);
        Workbook^ wb = xl->Workbooks->Open(strFullPath,
                Type::Missing, Type::Missing,
                Type::Missing, Type::Missing,
                Type::Missing, Type::Missing,
                Type::Missing, Type::Missing,
                Type::Missing, Type::Missing,
                Type::Missing, Type::Missing,
                Type::Missing, Type::Missing);
        return wb;
    }
    catch (Exception^ e) {
        Console::Write("{0}\n", e->Message);
    }
    return nullptr;
}