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[BUG] Multi-Line Scroll Issue |
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Xander75 
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Joined: 26 April 2007 Status: Offline Points: 353 |
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 Topic: [BUG] Multi-Line Scroll IssuePosted: 21 April 2011 at 9:15am |
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Hi,
I believe I have found a bug in the ReportControl when adding just one record that is multi-line. If the ReportControl is smaller in height than the multi-line text being added to the ReportControl the vertical scrollbars do not appear! See the attached screenshot & sample project.  Am I missing something or is this indeed a bug? uploads/2960/MultiLine_Bug.rar |
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Product: Xtreme SuitePro (ActiveX) v15.3.1
Platform: Windows 7 64-bit (SP1) Professional Edition Languages: C#.Net using Visual Studio 2012 & Visual Basic 6.0 (SP6) |
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jpbro
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Joined: 12 January 2007 Status: Offline Points: 1354 |
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Posted: 21 April 2011 at 10:16am |
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Looks like a bug - tried to find a workaround, but the only adding a dummy blank record record seems to do the trick (which is unacceptable). I recommend that you open a support ticket at https://support.codejock.com
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Product: Xtreme SuitePro (ActiveX) version 16.2.6
Platform: Windows XP - SP3 Language: Visual Basic 6.0 SP6 |
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Xander75
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Joined: 26 April 2007 Status: Offline Points: 353 |
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Posted: 21 April 2011 at 10:20am |
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Thanks for the confirmation on this jpbro. I too tried to find a workaround, but as you said adding a blank record is unacceptable.
I opened a ticket as soon as this was posted, pointing CJ to this post. Hopefully it can be resolved for v15.0.3 |
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Product: Xtreme SuitePro (ActiveX) v15.3.1
Platform: Windows 7 64-bit (SP1) Professional Edition Languages: C#.Net using Visual Studio 2012 & Visual Basic 6.0 (SP6) |
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jpbro
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Joined: 12 January 2007 Status: Offline Points: 1354 |
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Posted: 21 April 2011 at 10:33am |
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Andre has been doing a great job resolving ReportControl issues, and this is probably just an off-by-one index bug (or something similarly straight-forward to fix), so I would think it has a good chance of being corrected for 15.0.3 (fingers crossed!).
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Product: Xtreme SuitePro (ActiveX) version 16.2.6
Platform: Windows XP - SP3 Language: Visual Basic 6.0 SP6 |
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ABuenger
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Joined: 02 February 2006 Status: Offline Points: 1075 |
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Posted: 25 April 2011 at 8:31pm |
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Hi,
I've reviewed yours and our code. The problem here is that the report control only scrolls entire rows. If you add a second record to your sample you'll notice that it scrolls to the second record and not to the lower part of your first record. I'll add a "smooth" scrolling mode. This mode needs to know the height of each row, so it is not suitable for large recordsets and virtual mode. Andre |
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Xander75
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Joined: 26 April 2007 Status: Offline Points: 353 |
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Posted: 26 April 2011 at 5:01am |
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Thanks for that Andre.
I did try adding a second blank record as a workaround for now. |
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Product: Xtreme SuitePro (ActiveX) v15.3.1
Platform: Windows 7 64-bit (SP1) Professional Edition Languages: C#.Net using Visual Studio 2012 & Visual Basic 6.0 (SP6) |
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ABuenger
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Posted: 27 April 2011 at 10:22pm |
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Hi,
I've added smooth scrolling to the main window and to "Report control > Control Test > Smooth Scroll Test". I think this should solve your problem. uploads/1755/ReportSample_18256_Multiline.zip Just set the scroll mode to xtpReportScrollModeSmooth. Andre |
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Xander75
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Posted: 28 April 2011 at 8:37am |
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Andre,
I tried out this sample however I am a little worried with the fact that when I used the scroll wheel the reportcontrol would only scroll down and not back up! |
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Product: Xtreme SuitePro (ActiveX) v15.3.1
Platform: Windows 7 64-bit (SP1) Professional Edition Languages: C#.Net using Visual Studio 2012 & Visual Basic 6.0 (SP6) |
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ABuenger
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Posted: 28 April 2011 at 11:23am |
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Thanks, fixed and sample updated:
uploads/1755/ReportSample_18256_Wheel.zip P.S.: I'm uploading the samples so you verify the feature works as expected and that all bugs are fixed before the release. |
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Xander75
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Posted: 28 April 2011 at 11:30am |
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Andre,
Looks good to me, even better now the mousewheel scroll works again  |
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Product: Xtreme SuitePro (ActiveX) v15.3.1
Platform: Windows 7 64-bit (SP1) Professional Edition Languages: C#.Net using Visual Studio 2012 & Visual Basic 6.0 (SP6) |
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xcentric
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Joined: 04 September 2008 Status: Offline Points: 41 |
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Posted: 28 April 2011 at 12:16pm |
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Found strange scrollbar behavior in multiline mode.
To reproduce - run the latest sample, check Report Control -> Multiline Sample and then try to scroll. |
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ABuenger
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Posted: 28 April 2011 at 1:30pm |
Hi, the "strange" (delayed) behavior is the result of the slower performance of multiline rows. I'll try to improve it. Andre |
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ABuenger
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Posted: 01 May 2011 at 8:03pm |
Hi, I've rewritten the scrolling code. Performance should be much better now. Let me know if you still see the strange/delayed behavior. uploads/1755/ReportSample_18256_Performance.zip The problem was that everytime you move the scrollbar Windows sends a WM_VSCROLL message to the report control. This message must be processed till the next WM_VSCROLL message is send, because otherwise the report control is not be redrawn. Andre |
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jpbro
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Posted: 01 May 2011 at 8:32pm |
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Scrolling is much faster for me - but now when using the keyboard to navigate up and down the report, the vertical scrollbar just bounces at the top of the screen (doesn't follow focus).
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Product: Xtreme SuitePro (ActiveX) version 16.2.6
Platform: Windows XP - SP3 Language: Visual Basic 6.0 SP6 |
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ABuenger
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Posted: 01 May 2011 at 9:50pm |
Yes, keyboard scrolling is not yet complete for smooth scrolling mode. I'll get this done tomorrow. Just wanted to get the update out. |
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jpbro
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Joined: 12 January 2007 Status: Offline Points: 1354 |
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Posted: 01 May 2011 at 10:24pm |
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No problem, I just wanted to make sure that you were aware of the issue. Thanks for you work on this!
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Product: Xtreme SuitePro (ActiveX) version 16.2.6
Platform: Windows XP - SP3 Language: Visual Basic 6.0 SP6 |
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xcentric wrote: