Solved

CListCtrl scrolling problem.

Posted on 2002-04-21
3
1,306 Views
Last Modified: 2013-11-20
Hi,
I have a list control with a vertical scrollbar. I have implemented a sort function which removes all the items from the list and insert them in the new order.
After the sort operation the vertical scroll bar is placed at the top.
My problem is that I want to keep the old position of the scroll bar (before the sort operation).
I tried using GetTopIndex before the sort, but I couldnt find a way to restore this information after the sort operation...

Yoav.
0
Comment
Question by:yoavo
  • 2
3 Comments
 
LVL 3

Expert Comment

by:GGRUNDY
ID: 6959055
Does SetTopIndex not do what you want?
Maybe you need to SetTopIndex to the Max (ie scroll right to the bottom) before you SetTopIndex to what you really want.
0
 
LVL 49

Accepted Solution

by:
DanRollins earned 50 total points
ID: 6959069
It's probably easiest to call EnsureVisible( nItem ).  That does not guarantee that the list will scroll to the desired line, but it will usually be pretty close.

You can use Scroll( cs ) where cs is a CSize item that describes how far to scroll.  You can figure out how far to scroll by multiplying the height of one item by the original position.  You can learn the height of one item by usie the GetItemRect() function.

Incidently, if an item is already selected, you may be better off selecting it and scrolling it into view via EnsureVisible() rather than scrolling the whole list to some arbitrary location.  After all, the user probably wants to see that item since he selected it.

-- Dan
0
 
LVL 49

Expert Comment

by:DanRollins
ID: 6959078
Hi GGRUNDY,
I don't see a SetTopIndex member for CListCtrl nor is there a similar message for the Win32 API access to the ListView control that it wraps.  Perhaps you are confused with CListBox...
-- Dan
0

Featured Post

ScreenConnect 6.0 Free Trial

Explore all the enhancements in one game-changing release, ScreenConnect 6.0, based on partner feedback. New features include a redesigned UI, app configurations and chat acknowledgement to improve customer engagement!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Introduction: Dialogs (1) modal - maintaining the database. Continuing from the ninth article about sudoku.   You might have heard of modal and modeless dialogs.  Here with this Sudoku application will we use one of each type: a modal dialog …
If you use Adobe Reader X it is possible you can't open OLE PDF documents in the standard. The reason is the 'save box mode' in adobe reader X. Many people think the protected Mode of adobe reader x is only to stop the write access. But this fe…
This video will show you how to get GIT to work in Eclipse.   It will walk you through how to install the EGit plugin in eclipse and how to checkout an existing repository.
This Micro Tutorial demonstrates using Microsoft Excel pivot tables, how to reverse engineer competitors' marketing strategies through backlinks.

777 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question