Re: Scrolling.

From:

"Tom Serface" <tom.nospam@camaswood.com>

Newsgroups:

microsoft.public.vc.mfc

Date:

Tue, 12 Jun 2007 14:24:24 -0700

Message-ID:

<94EC2D99-F86D-4023-A115-9F8F5EBCCE50@microsoft.com>

Hi Tony,

To add to Ali's suggestion, here is some code you could use to check the
string while adding:

  // Set the horizontal scroll
  int oldwidth = m_ListBox->GetHorizontalExtent();
  CDC* pDC = m_ListBox->GetWindowDC();
  if (pDC) {
    int newwidth = pDC->GetTextExtent(msg, _tcslen(msg)).cx;
    m_ListBox->ReleaseDC(pDC);
    if (newwidth > oldwidth) {
      m_ListBox->SetHorizontalExtent(newwidth);
   }
  }
  // Delete old entries if the list gets longer than 300 entries
  if (m_ListBox->GetCount() >= 300)
    m_ListBox->DeleteString(0);
  // Add the new one at the end
  m_ListBox->AddString(csMsg);

Also, Joe has a listbox already done that you could use for this purpose.
He's off teaching this week or else I'm sure he'd give you the link:

http://www.flounder.com/hscroll.htm

Tom

"TonyG" <TonyG@junk.com> wrote in message
news:W%Cbi.25286$YL5.10549@newssvr29.news.prodigy.net...

I have a simple dialog that I have used in many programs. Most of the
dialog is covered by a giant list box. Whenever I have a bunch of text to
display to the operator, I use this dialog. An example is a bunch of
configuration errors that I detect during program startup. I have a nice
way of passing a title, my text and some other stuff to the dialog's
constructor. There is also some other class methods for other interactions.

My problem is this: The list box does not word wrap. If I submit a text
line wider then the list box, my subclassed list box automatically adjusts
the horizontal scroll bars. But what I would really want is word wrap.

Is there a way to implement word wrap with a list box?
OR
Should I be using some other control?
OR
Is there some other way to accomplish my needs?