Re: How to display a text file dynamically?

"Scott McPhillips [MVP]" <org-dot-mvps-at-scottmcp>
Sun, 28 Oct 2007 20:52:12 -0400
<> wrote in message

I need to show a large text file ( <10M) to users in a dialog.
Meanwhile, the file is being appened with more data by a seperate

I have little experience with MFC. I guess I should use RichEditCtrl
for this case. But I'm not sure if I should use SetDlgItemText(..) to
send file content to the control. This is Question 1.

Secondly, I'd like send only the newly appended part of the file to
the control for every refresh, instead of the whole file everytime.
Are there any existing functions/mechanisms in MFC for this purpose?

If you need the control to do word-wrap for you at the end of lines then use
the edit control. Or if you need the ability to change colors and fonts in
different parts of the text use the rich edit control.

But if you don't need either of these features then the list box is a much
easier way to display scrolling lines of text.

The control's features are the same whether you use MFC or not. MFC just
provides a convenient wrapper around the Win32 control's SendMessage
functions. You can append text to an edit control with SetSel(-1, -1),
followed by ReplaceSel.

Scott McPhillips [VC++ MVP]

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