View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0005429 | JEDI VCL | 00 JVCL Components | public | 2010-11-29 16:08 | 2012-02-29 16:55 |
| Reporter | dreel | Assigned To | AHUser | ||
| Priority | normal | Severity | major | Reproducibility | always |
| Status | resolved | Resolution | fixed | ||
| Product Version | Daily / GIT | ||||
| Target Version | Fixed in Version | 3.45 | |||
| Summary | 0005429: JvDbGrid Access violation for hint raised on header that occupies two rows | ||||
| Description | Referenced to bug 0005324 (http://issuetracker.delphi-jedi.org/bug_view_advanced_page.php?bug_id=5324) An AccessError when pointing mouse over the first row of header located in two rows. In example application you can see the header with name "Comment" occupying two lines. Trying to raise hint on first row give us the exception. Access violation at address 005149EC in module 'Jvcl_issue0005324.exe'. Read of address 00000001. Stack details: main thread ($e00): 005149ec +088 Jvcl_issue0005324.exe JvMemoryDataset TJvMemoryData.GetFieldData 004d101d +045 Jvcl_issue0005324.exe DB TDataSet.GetFieldData 7c90e450 +010 ntdll.dll KiUserCallbackDispatcher 00496458 +188 Jvcl_issue0005324.exe Controls TControl.WndProc 00499034 +02c Jvcl_issue0005324.exe Controls TWinControl.MainWndProc 004761f8 +014 Jvcl_issue0005324.exe Classes StdWndProc 7c90e450 +010 ntdll.dll KiUserCallbackDispatcher 7c910412 +025 ntdll.dll RtlAcquirePebLock 004c6ae6 +012 Jvcl_issue0005324.exe DB TField.GetFieldNo 004d101d +045 Jvcl_issue0005324.exe DB TDataSet.GetFieldData 004c7eab +0eb Jvcl_issue0005324.exe DB TStringField.GetValue 004c6ae6 +012 Jvcl_issue0005324.exe DB TField.GetFieldNo 004d101d +045 Jvcl_issue0005324.exe DB TDataSet.GetFieldData 7c910412 +025 ntdll.dll RtlAcquirePebLock 7c91043d +00c ntdll.dll RtlReleasePebLock 7c910412 +025 ntdll.dll RtlAcquirePebLock 004c69c6 +08a Jvcl_issue0005324.exe DB TField.GetData 004c7e4d +08d Jvcl_issue0005324.exe DB TStringField.GetValue 004c7ca6 +00a Jvcl_issue0005324.exe DB TStringField.GetAsString 004c7d89 +055 Jvcl_issue0005324.exe DB TStringField.GetText 004c6a78 +034 Jvcl_issue0005324.exe DB TField.GetDisplayText 00547a22 +3ea Jvcl_issue0005324.exe JvDBGrid TJvDBGrid.CMHintShow 00496458 +188 Jvcl_issue0005324.exe Controls TControl.WndProc 004993b7 +157 Jvcl_issue0005324.exe Controls TWinControl.WndProc 00532fef +033 Jvcl_issue0005324.exe JvExDBGrids TJvExDBGrid.BaseWndProcEx 00533160 +02c Jvcl_issue0005324.exe JvExDBGrids TJvExDBGrid.HintShow 00533495 +1d9 Jvcl_issue0005324.exe JvExDBGrids TJvExDBGrid.WndProc 00496228 +024 Jvcl_issue0005324.exe Controls TControl.Perform 004b61c2 +1c6 Jvcl_issue0005324.exe Forms TApplication.ActivateHint 004b5cf0 +02c Jvcl_issue0005324.exe Forms TApplication.HintTimerExpired 004b36c6 +022 Jvcl_issue0005324.exe Forms HintTimerProc 7e3696c2 +00a user32.dll DispatchMessageA 004b4e2b +083 Jvcl_issue0005324.exe Forms TApplication.ProcessMessage 004b4e62 +00a Jvcl_issue0005324.exe Forms TApplication.HandleMessage 004b5092 +096 Jvcl_issue0005324.exe Forms TApplication.Run 00559293 +03b Jvcl_issue0005324.exe Jvcl_issue0005324 17 +3 initialization The same behavior we see on the ADT column header named "Src" and others have a part placed in first row. As i see there is no field data for the cell. Example project located here http://issuetracker.delphi-jedi.org/file_download.php?file_id=0002017&type=bug | ||||
| Additional Information | date/time : 2010-11-29, 17:57:45, 484ms operating system : Windows XP Service Pack 2 build 2600 system language : Russian compiled with : Delphi 7 | ||||
| Tags | CellHint, Delphi 7.0, header, Hint, JVCL, JvDbGrid | ||||
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2010-11-29 16:08 | dreel | New Issue | |
| 2010-11-29 16:09 | dreel | Tag Attached: Delphi 7.0 | |
| 2010-11-29 16:09 | dreel | Tag Attached: Hint | |
| 2010-11-29 16:09 | dreel | Tag Attached: JVCL | |
| 2010-11-29 16:09 | dreel | Tag Attached: JvDbGrid | |
| 2010-11-29 16:09 | dreel | Tag Attached: CellHint | |
| 2010-11-29 16:09 | dreel | Tag Attached: header | |
| 2010-11-30 20:50 | AHUser | Note Added: 0018228 | |
| 2010-11-30 20:50 | AHUser | Status | new => resolved |
| 2010-11-30 20:50 | AHUser | Fixed in Version | => Daily / SVN |
| 2010-11-30 20:50 | AHUser | Resolution | open => fixed |
| 2010-11-30 20:50 | AHUser | Assigned To | => AHUser |
| 2012-02-29 16:55 | obones | Fixed in Version | Daily / SVN => 3.45 |
