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removing scroll bar from richedit control

Posted on 1997-04-29
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Last Modified: 2013-11-20
How do I remove the automatic vertical scroll bar from a rich edit control  ? (the scroll bar  is automatically added when the number of lines exceeds the visible lines in the view ). I have tried modifying the window's style so that WS_VCSROLL is removed, but this does not solve this problem. I want to do this dynamically because there are certain places in the program where I do want a scroll bar to appear in the rich edit control.
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Question by:pjn
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6 Comments
 
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rajesh032097 earned 300 total points
ID: 1301232
Hi,
Try using CWnd function ShowScrollBar(). This function will hide or show the scrollbars.

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by:pjn
ID: 1301233
ShowScrollBar was nearly it but I get a big flicker where the toolbar was and then it was removed. My program uses the rich edit control as a log and hence this problem is really bad. If had tried you suggest with SetRedraw and LockWindowUpdate but no cigar. Any other ideas.
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Expert Comment

by:rajesh032097
ID: 1301234
Sorry,
I have no idea for that problem. May be if you could elaborate more on how exactly you are using the rich edit control, one can get the solution.
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Author Comment

by:pjn
ID: 1301235
I am using the rich edit control to write continous logging information into. This is happening quite fast and evertime I add some text to the control which goes beyond the current depth the rich edit control automatically adds a vertical scrollbar. What I want to do is while sending information to the rich edit control is to disable the vertical scroll bar. It is very disconcerting seing the scrollbar recalculate its size everytime I add some text to it. Hopefully by removing the scrollbar, this will speed things up also. Then when I have finished adding the text to the control, I can reenable the scrollbar so the user can leaf back up through the log.
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LVL 2

Expert Comment

by:rajesh032097
ID: 1301236
Hi,
I cannot solve your problem.
Sorry.
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Author Comment

by:pjn
ID: 1301237
I fixed the problem myself by adding the following to my Views class constructor

m_dwDefaultStyle &= ~ WS_VSCROLL;

Thanks all the same for the input
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