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My application has several CExtCustomControlBars. If I pin one of them open and right click on the title bar (of the Controlbar) code gets stuck in an endless loop here:

CExtControlBar.cpp

void CExtControlBar::OnRButtonUp(UINT nFlags, CPoint point)
...
...
...
CWnd * pWndChild = GetWindow( GW_CHILD );
    if( pWndChild != NULL )
    {
        HWND hWndOwn = m_hWnd;
        if( stat_QueryFocusChangingEnabled( this, pWndChild->m_hWnd ) )
        {
            pWndChild->SetFocus();
            CExtPopupMenuWnd::PassMsgLoop( true ); <***** NEVER RETURNS FROM HERE
            if( ! ::IsWindow( hWndOwn ) )
            {
                delete pPopup;
                return;
            }
            m_bWindowActive = true;
            SendMessage( WM_NCPAINT );
        }
    }

The default context Prof-UIS menu is not overridden anywhere. It displays if click on un-pinned ControlBar title.
I do not see this problem in any of your samples.

Any idea what I might have done wrong?

Thanks

My apologies, I discovered the source of the problem was the return value of OnIdle( Count ) that I overrode in my application. This bug was in there for quite some time and I just discovered it now. It happens.