Codejock Developer Community : Vertical Scroll Bug? http://forum.codejock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Sat, 18 Apr 2026 22:34:33 +0000 Tue, 19 Jan 2010 16:34:40 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 forum.codejock.com/RSS_post_feed.asp?TID=16035 <![CDATA[Codejock Developer Community]]> http://forum.codejock.com/forum_images/codejock-logo.gif http://forum.codejock.com/ <![CDATA[Vertical Scroll Bug? : I can&#039;t reproduce you case...]]> http://forum.codejock.com/forum_posts.asp?TID=16035&PID=56224&title=vertical-scroll-bug#56224 Author: mdoubson
Subject: 16035
Posted: 19 January 2010 at 4:34pm

I can't reproduce you case - please open Issue and we can discuss it]]> Tue, 19 Jan 2010 16:34:40 +0000 http://forum.codejock.com/forum_posts.asp?TID=16035&PID=56224&title=vertical-scroll-bug#56224 <![CDATA[Vertical Scroll Bug? : If you have a ReportControl narrow...]]> http://forum.codejock.com/forum_posts.asp?TID=16035&PID=56210&title=vertical-scroll-bug#56210 Author: binkman71
Subject: 16035
Posted: 18 January 2010 at 3:23pm

If you have a ReportControl narrow enough that only two rows are visible, and at that, the second is only partially visible (text leading off to another line or two below the window; might need a multiline text cell to accomplish this), if  the user clicks below the thumb tracker in the scroll bar no scrolling occurs.  I have debugged through this and found the issue to be in CXTPReportControl::GetReportAreaRows(...), which in this case always returns zero, so the position never updates.  The code starting at line 2576 (13.1) or line 2679 (13.2) of XTPReportControl.cpp has the following in the GetReportAreaRows method:
 
  if (top + rowHeight > m_rcReportArea.bottom)
   return bMoveDown ? i - nStartRow - 1 : nStartRow - i - 1;
 
I propose the following change, but figured I'd get input here first:
 
  if (top + rowHeight > m_rcReportArea.bottom)
  {
      if( i == (nStartRow+ 1) )
      {
          return i;
      }
      else
      {
          return bMoveDown ? i - nStartRow - 1 : nStartRow - i - 1;
      }
  }
 
This does seem to solve the case found in our use of the report control, but again, wanted to run it by here for other input.
 
Thanks,
 
K.
]]> Mon, 18 Jan 2010 15:23:46 +0000 http://forum.codejock.com/forum_posts.asp?TID=16035&PID=56210&title=vertical-scroll-bug#56210