问如何在工具栏控件中创建大小不同的按钮(Win32 API)

EN

SendMessage(m_hToolbar, TB_SETEXTENDEDSTYLE, 0, (LPARAM)TBSTYLE_EX_MIXEDBUTTONS);

//(1) Create the Toolbar ImageList
    HIMAGELIST hImageListLarge = ImageList_Create(32, 16, ILC_COLOR8 | ILC_MASK, 1, 0);
    if (!hImageListLarge)
        return false;

    HIMAGELIST hImageListSmall = ImageList_Create(16, 16, ILC_COLOR8 | ILC_MASK, 1, 0);
    if (!hImageListSmall)
        return false;

    //(2) Fill the Image List
    if (ImageList_Add(hImageListLarge,
        LoadBitmap(hInst, MAKEINTRESOURCE(IDB_TB_CONNECT_TO)),
        LoadBitmap(m_hInstance, MAKEINTRESOURCE(IDB_TB_CONNECT_TO_MASK))) == -1)
        return false;

    if (ImageList_Add(hImageListSmall,
        LoadBitmap(hInst, MAKEINTRESOURCE(IDB_TB_HELP)),
        LoadBitmap(m_hInstance, MAKEINTRESOURCE(IDB_TB_HELP_MASK))) == -1)
        return false;



    //(3) Create the Toolbar window
    m_hToolbar = CreateWindowEx(0, TOOLBARCLASSNAME, nullptr,
        WS_CHILD | TBSTYLE_WRAPABLE | TBSTYLE_AUTOSIZE | TBSTYLE_LIST | TBSTYLE_TOOLTIPS,
        0, 0, 0, 0, m_hWnd, nullptr, hInst, nullptr);

    if (m_hToolbar == nullptr)
        return false;

    //(4) Sets the Image list for the Toolbar
    SendMessage(m_hToolbar, CCM_SETVERSION, 5, 0);
    SendMessage(m_hToolbar, TB_SETIMAGELIST, 0, (LPARAM)hImageListLarge);
    SendMessage(m_hToolbar, TB_SETIMAGELIST, 1, (LPARAM)hImageListSmall);

    //(5) Initialize the TBBUTTON structures for each button


    m_tbButtons[0].fsStyle = BTNS_SEP;

    m_tbButtons[1].iBitmap = MAKELONG(0, 0);
    m_tbButtons[1].idCommand = ID_CONNECTIONS_CONNECT_TO;
    m_tbButtons[1].fsState = TBSTATE_ENABLED;
    m_tbButtons[1].fsStyle = BTNS_BUTTON | BTNS_AUTOSIZE; // If you want display text, you can add BTNS_SHOWTEXT 
    m_tbButtons[1].iString = (INT_PTR)TEXT("Connect to");

    m_tbButtons[2].iBitmap = MAKELONG(0, 1);
    m_tbButtons[2].idCommand = ID_HELP_ABOUT;
    m_tbButtons[2].fsState = TBSTATE_ENABLED;
    m_tbButtons[2].fsStyle = BTNS_BUTTON | BTNS_AUTOSIZE;
    m_tbButtons[2].iString = (INT_PTR)TEXT("Help");


    //(6) Add buttons to the toolbar 
    SendMessage(m_hToolbar, TB_BUTTONSTRUCTSIZE, (WPARAM)sizeof(TBBUTTON), 0);
    SendMessage(m_hToolbar, TB_ADDBUTTONS, 3, (LPARAM)m_tbButtons);

    //(7) auto Resize the toolbar
    SendMessage(m_hToolbar, TB_AUTOSIZE, 0, 0);
    //SendMessage(m_hToolbar, TB_SETEXTENDEDSTYLE, 0, (LPARAM)TBSTYLE_EX_MIXEDBUTTONS);
    ShowWindow(m_hToolbar, SW_SHOW);

    //(8) Modify the size of the separator that will hold the combobox
    TBBUTTONINFO tbbi;
    tbbi.cbSize = sizeof(tbbi);
    tbbi.dwMask = TBIF_SIZE | TBIF_BYINDEX;
    tbbi.cx = 44;
    SendMessage(m_hToolbar, TB_SETBUTTONINFO, (WPARAM)1, (LPARAM)& tbbi);

    tbbi.cx = 27;
    SendMessage(m_hToolbar, TB_SETBUTTONINFO, (WPARAM)2, (LPARAM)& tbbi);


    //(9) Get the Rectangle occupied by the separator
    RECT rcSep;
    SendMessage(m_hToolbar, TB_GETITEMRECT, (WPARAM)0, (LPARAM)& rcSep);

    //(10) Create the hosts comboBox
    m_hComboHosts = CreateWindow(WC_COMBOBOXW, nullptr, WS_CHILD | CBS_DROPDOWN | WS_VISIBLE,
        rcSep.left, rcSep.top, rcSep.right - rcSep.left, rcSep.bottom - rcSep.top, m_hToolbar,
        (HMENU)IDC_COMBO_HOSTS, hInst, nullptr);

    if (!m_hComboHosts)
        return false;

return true;

//(8) Modify the size of the separator that will hold the combobox
TBBUTTONINFO tbbi;
tbbi.cbSize = sizeof(tbbi);
tbbi.dwMask = TBIF_SIZE | TBIF_BYINDEX;
tbbi.cx = 500;
SendMessage(m_hToolbar, TB_SETBUTTONINFO, (WPARAM)0, (LPARAM)& tbbi);

//(9) Get the Rectangle occupied by the separator
RECT rcSep;
SendMessage(m_hToolbar, TB_GETITEMRECT, (WPARAM)0, (LPARAM)& rcSep);

//(10) Create the hosts comboBox
m_hComboHosts = CreateWindow(WC_COMBOBOXW, nullptr, WS_CHILD | CBS_DROPDOWN | WS_VISIBLE,
    rcSep.left, rcSep.top, rcSep.right - rcSep.left, rcSep.bottom - rcSep.top, m_hToolbar,
    (HMENU)IDC_COMBO_HOSTS, m_hInstance, nullptr);