Crash on TrackPopupMenu

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I'm seeing a crash when I call the static version of CXTPCommandBars::TrackPopupMenu where the first parameter is the CMenu pointer.  This call is being made inside a DLL that dynamically links to MFC(and Codejock).   It's crashing in the function below and I believe the problem is AfxGetThread is returning NULL.  I think it's a manage state problem, but the message is originating from a control in the dll - the call isn't being made from the executable.

Thanks,
Karim

void CXTPPopupBar::PumpMessage()
{

    while (IsTrackingMode())
    {
        MSG msg;
        if (::GetMessage(&msg, NULL, NULL, NULL))
        {
            if (!IsTrackingMode())
            {
                ::PostMessage(msg.hwnd, msg.message, msg.wParam, msg.lParam);
                break;
            }

            if (msg.message != WM_KICKIDLE && !AfxGetThread()->PreTranslateMessage(&msg))
            {
                // process this message
                ::TranslateMessage(&msg);
                ::DispatchMessage(&msg);
            }
        }
        else
            break;
    }
}