c++ message object management 1

c++_message_object_management1.cpp

// send
PostMessage(MyhWnd, CWM_SOME_ERROR, 0, reinterpret_cast<LPARAM>(new string(the_exception.error_string)) );

// receive
LPARAM CMyDlg::OnMyMessage1(WPARAM, LPARAM lParam)  
{  
    // Put in shared_ptr so it is automatically destroyed.  
    shared_ptr<string> msg = reinterpret_cast<string*>(lParam);  
  
    // Do stuff with message  
  
    return 0;  
}