第一个工具栏：

if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT,
    WS_CHILD | WS_VISIBLE | CBRS_TOP |
    CBRS_FLOAT_MULTI | CBRS_GRIPPER | CBRS_TOOLTIPS |
    CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
    !m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
{
    TRACE0("Failed to create toolbar");
    return -1;      // fail to create
}
m_wndToolBar.SetWindowText(_T("标准工具栏"));

m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
EnableDocking(CBRS_ALIGN_ANY);
DockControlBar(&m_wndToolBar);

第二个工具栏：

if (!m_wndExtendBar.CreateEx(this, TBSTYLE_FLAT,
    WS_CHILD | WS_VISIBLE | CBRS_TOP |
    CBRS_FLOAT_MULTI | CBRS_GRIPPER | CBRS_TOOLTIPS |
    CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
    !m_wndExtendBar.LoadToolBar(IDR_EXTEND_BAR))
{
    TRACE0(_T("Failed to create extend toolbar"));
    return -1;
}
m_wndExtendBar.SetWindowText(_T("扩展工具栏"));
m_wndExtendBar.EnableDocking(CBRS_ALIGN_ANY);
CRect rect;
m_wndExtendBar.GetWindowRect(&rect);
rect.OffsetRect(1, 0);
this->RecalcLayout();    //关键的一步，重新排列
DockControlBar(&m_wndExtendBar, AFX_IDW_DOCKBAR_TOP, &rect);