Re: How to do buttons of toolbar adjust their positions after addition of a combo-box

Barbatruc <sans@merci>
Mon, 8 Sep 2008 23:18:58 +0200
In article <>, sans@merci says...

In article <eiZl33bEJHA.4504@TK2MSFTNGP05.phx.gbl>, "Scott McPhillips
[MVP]" <org-dot-mvps-at-scottmcp> says...

There is a standard technique for inserting a control, such as a combo box,
into a toolbar. What you do is insert a separator into the toolbar (using
the resource editor, just slide the botton to the right a bit) where the
control will go. A separator is just a small gap between the buttons. Then
in code you can increase the width of the separator to make a wide enough
gap for the control. That is what the code in the link above is doing: It
calls CToolbar::SetButtonInfo to widen the separator. With this technique
all of the buttons to the right of the gap are automatically positioned.

Yes, Scott, thanks, but I believe it's what I already do during creation
of the toolbar : I modify the place holder button to be a
TBBS_SEPARATOR, then I create the combo-box at this place.

Here is the scrubbed code of my concerned function :

int CMyBar::OnCreate(LPCREATESTRUCT lpCreateStruct)
    if (CToolBar::OnCreate(lpCreateStruct) == -1)
        return -1;

    if (!LoadToolBar(IDR_MYBAR))
        return -1;

    CRect rc;
    SetButtonInfo(0, ID_COMBO, TBBS_SEPARATOR, 190);
    GetItemRect(0, &rc);
    rc. bottom = + 200;
    m_Combo.Create(WS_CHILD | WS_VISIBLE | WS_VSCROLL |
    return 0;

And with this, the combo is at left side as foreseed, but the next
button at its right is invisible, because overlapped.

What's wrong in my code above ?

Should the problem be because I manage the combo-box creation during
CMyBar::OnCreate() rather than CMainFrame::OnCreate() ?

From my memory, the way I gone is the one explained in the "1001 Prog
Tips about VC++", but I've not it under the hand here and now.

What do you think ?

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