vc++ DockControlBar调用出错 。

    if (!m_newToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_RIGHT | 
        CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
        !m_newToolBar.LoadToolBar(IDR_TOOLBAR1))
    {
        TRACE0("Failed    to create toolbar\n");
        return -1;      // fail to create
    }
    m_newToolBar.EnableDocking(CBRS_ALIGN_ANY);
    DockControlBar(&m_newToolBar);