Re: MDI CView and some kind of bar at bottom of CView

RAN <>
Sat, 6 Mar 2010 15:54:15 -0800 (PST)
On 6 mrt, 23:27, Uwe Kotyczka <> wrote:

As Scott mentioned the toolbar you want will not belong to
your CView derived class, but to it's parent, which is
To demonstrate it I just created a little demo project
(not with VS23008, but with the old VS6) choosing the
MDI interface. By default a toolbar is created as a
child of CMainFrame. Then I moved the toolbar code from
CMainFrame to CChildFrame (and docked it at the bottom
instead of the top).
You can study the demo and build something similar in your
code. You will find my demo at:


Thanks for your example it indeed works for VS6 BUT i am using
CMDIChildWndEx !!! (using VS2008Pro) for which it does not work.
What i have done so far:
1) Created a MDI CView Tabbed documents project with app-wizard.
2) In CChildFrame i added OnCreate()

int CChildFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
    if (CMDIChildWndEx::OnCreate(lpCreateStruct) == -1)
        return -1;

    // TODO: Add your specialized creation code here
    if (!m_wndToolBar.Create(this) ||
           TRACE0("Failed to create toolbar\n");
           return -1; // fail to create

       // TODO: Remove this if you don't want tool tips or a
       // resizeable toolbar
       m_wndToolBar.SetBarStyle(m_wndToolBar.GetBarStyle() |

       // TODO: Delete these three lines if you don't want the toolbar
       // to be dockable

    return 0;

it compiles and runs and halts into an ASSERT in winfrm2.cpp (line
92) :

void CFrameWnd::DockControlBar(CControlBar* pBar, CDockBar* pDockBar,
    ENSURE_ARG(pBar != NULL);
    // make sure CControlBar::EnableDocking has been called
    ASSERT(pBar->m_pDockContext != NULL);

    if (pDockBar == NULL)
        for (int i = 0; i < 4; i++)
            if ((dwDockBarMap[i][1] & CBRS_ALIGN_ANY) ==
                (pBar->m_dwStyle & CBRS_ALIGN_ANY))
                pDockBar = (CDockBar*)GetControlBar(dwDockBarMap[i][0]);
/* --------> goes wrong here ------> */ ASSERT(pDockBar != NULL);
                // assert fails when initial CBRS_ of bar does not
                // match available docking sites, as set by EnableDocking()
    ENSURE_ARG(pDockBar != NULL);
    ASSERT(m_listControlBars.Find(pBar) != NULL);
    ASSERT(pBar->m_pDockSite == this);
    // if this assertion occurred it is because the parent of pBar was
not initially
    // this CFrameWnd when pBar's OnCreate was called
    // i.e. this control bar should have been created with a different
parent initially

    pDockBar->DockControlBar(pBar, lpRect);

in line 92 :

ASSERT(pDockBar != NULL);
                // assert fails when initial CBRS_ of bar does not
                // match available docking sites, as set by EnableDocking()

the source here even gives some explanation of what goes wrong here
but i dont know how to match 'initial CBRS_ of bar with those set by

Does this even work for a CMDIChildWndEx derived CChildFrame class ?

Well so my question is does any one know how to add a toolbar to a
CMDIChildWndEx derived CChildFrame class ?
Any suggestions on how to get this working ?

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