marshal_context ^ context = gcnew marshal_context();
const char* strPortC = context->marshal_as<const char*>(strPort);
bool bReturn = m_libCec->Open(strPortC, iTimeoutMs);
marshal_context ^ context = gcnew marshal_context();
const char* strPortC = context->marshal_as<const char*>(strPort);
bool bReturn = m_libCec->Open(strPortC, iTimeoutMs);