Re: D 2007 - TDBCtrlGrid - Canvas painting not allowed - Article 165 - go-pugleaf

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Re: D 2007 - TDBCtrlGrid - Canvas painting not allowed

#165

From: Bernhard Roos
Date: Fri, 04 May 2007 07:09

143 lines
6671 bytes

Bernhard Roos schrieb:
> Hello,
> I get the exception "Canvas painting not allowed" if the user want to 
> scroll in the Control Grid.
> Is this a known problem?
> Best wishes
> Bernhard

This is the callstack :

date/time         : 2007-05-04, 08:49:15, 64ms
computer name     : PC47
user name         : Administrator <admin>
registered owner  : HeiBa GmbH / HeiBa GmbH operating system  : Windows 
XP Service Pack 2 build 2600
system language   : German
system up time    : 13 minutes 38 seconds
program up time   : 8 minutes 26 seconds
processor         : AMD Athlon(tm) XP 1700+
physical memory   : 559/1023 MB (free/total)
free disk space   : (C:) 25,96 GB
display mode      : 1280x1024, 32 bit
process id        : $880
allocated memory  : 44,61 MB
executable        : ZeitarbeitDeluxe.Exe
exec. date/time   : 2007-05-03 18:40
version           : 2006.100.0.566
compiled with     : BCB 2006
madExcept version : 3.0d
callstack crc     : $b735a57c, $db8374c7, $9f4be492
exception number  : 4
exception class   : EInvalidOperation
exception message : Leinwand/Bild erlaubt kein Zeichnen.

Main ($884):
0048aa40 +00040 ZeitarbeitDeluxe.Exe Graphics          2785   +8 
TCanvas.RequiredState
0048a222 +00016 ZeitarbeitDeluxe.Exe Graphics          2456   +2 
TCanvas.DrawFocusRect
009fec61 +00131 ZeitarbeitDeluxe.Exe DBCGrids           260  +18 
TDBCtrlPanel.PaintWindow
004cb29d +00101 ZeitarbeitDeluxe.Exe Controls          7349  +19 
TWinControl.PaintHandler
009fed19 +00049 ZeitarbeitDeluxe.Exe DBCGrids           285   +6 
TDBCtrlPanel.WMPaint
004c70eb +002bb ZeitarbeitDeluxe.Exe Controls          5146  +83 
TControl.WndProc
004cb03a +004fa ZeitarbeitDeluxe.Exe Controls          7271 +111 
TWinControl.WndProc
004ca764 +0002c ZeitarbeitDeluxe.Exe Controls          7040   +3 
TWinControl.MainWndProc
0048027c +00014 ZeitarbeitDeluxe.Exe Classes          11583   +8 StdWndProc
7c91eae0 +00010 ntdll.dll 
KiUserCallbackDispatcher
7e36d825 +0002c USER32.dll 
UpdateWindow
004cda89 +00015 ZeitarbeitDeluxe.Exe Controls          8800   +1 
TWinControl.Update
009ff1a6 +0014a ZeitarbeitDeluxe.Exe DBCGrids           441  +38 
TDBCtrlGrid.DataSetChanged
009feac1 +00005 ZeitarbeitDeluxe.Exe DBCGrids           217   +0 
TDBCtrlGridLink.DataSetChanged
009240ad +000bd ZeitarbeitDeluxe.Exe DB                7693  +19 
TDataLink.DataEvent
00924693 +0003f ZeitarbeitDeluxe.Exe DB                7965   +4 
TDataSource.NotifyLinkTypes
009246c2 +0001e ZeitarbeitDeluxe.Exe DB                7972   +3 
TDataSource.NotifyDataLinks
009246ef +00023 ZeitarbeitDeluxe.Exe DB                7980   +4 
TDataSource.DataEvent
00928fdd +00131 ZeitarbeitDeluxe.Exe DB               10036  +36 
TDataSet.DataEvent
0094d664 +0005c ZeitarbeitDeluxe.Exe nxdb              8388  +10 
TnxDataset.DataEvent
00951da7 +0002b ZeitarbeitDeluxe.Exe nxdb             10524   +3 
TnxIndexDataSet.DataEvent
00a1513e +0004a ZeitarbeitDeluxe.Exe SUControls        6109   +3 
TSUTable.DataEvent
0092907b +0004f ZeitarbeitDeluxe.Exe DB               10065   +8 
TDataSet.EnableControls
009ffc23 +001b3 ZeitarbeitDeluxe.Exe DBCGrids           730  +38 
TDBCtrlGrid.Scroll
009ff352 +0012e ZeitarbeitDeluxe.Exe DBCGrids           484  +22 
TDBCtrlGrid.DoKey
009ffd61 +00129 ZeitarbeitDeluxe.Exe DBCGrids           773  +34 
TDBCtrlGrid.ScrollMessage
00a005dc +00000 ZeitarbeitDeluxe.Exe DBCGrids          1084   +0 
TDBCtrlGrid.WMVScroll
004c70eb +002bb ZeitarbeitDeluxe.Exe Controls          5146  +83 
TControl.WndProc
004cb03a +004fa ZeitarbeitDeluxe.Exe Controls          7271 +111 
TWinControl.WndProc
004ca764 +0002c ZeitarbeitDeluxe.Exe Controls          7040   +3 
TWinControl.MainWndProc
0048027c +00014 ZeitarbeitDeluxe.Exe Classes          11583   +8 StdWndProc
7c91eae0 +00010 ntdll.dll 
KiUserCallbackDispatcher
7e36b8fe +00044 USER32.dll 
SendMessageW
7e37f117 +11c29 USER32.dll 
DefWindowProcA
7e36f658 +00016 USER32.dll 
CallWindowProcA
004cb137 +000d7 ZeitarbeitDeluxe.Exe Controls          7301  +23 
TWinControl.DefaultHandler
004ccc3d +000a1 ZeitarbeitDeluxe.Exe Controls          8220  +16 
TWinControl.WMSysCommand
004c70eb +002bb ZeitarbeitDeluxe.Exe Controls          5146  +83 
TControl.WndProc
004cb03a +004fa ZeitarbeitDeluxe.Exe Controls          7271 +111 
TWinControl.WndProc
004ca764 +0002c ZeitarbeitDeluxe.Exe Controls          7040   +3 
TWinControl.MainWndProc
0048027c +00014 ZeitarbeitDeluxe.Exe Classes          11583   +8 StdWndProc
7c91eae0 +00010 ntdll.dll 
KiUserCallbackDispatcher
7e36b8fe +00044 USER32.dll 
SendMessageW
7e37f117 +11c29 USER32.dll 
DefWindowProcA
7e36f658 +00016 USER32.dll 
CallWindowProcA
004cb137 +000d7 ZeitarbeitDeluxe.Exe Controls          7301  +23 
TWinControl.DefaultHandler
004c7735 +00015 ZeitarbeitDeluxe.Exe Controls          5267   +2 
TControl.WMNCLButtonDown
004c70eb +002bb ZeitarbeitDeluxe.Exe Controls          5146  +83 
TControl.WndProc
004cb03a +004fa ZeitarbeitDeluxe.Exe Controls          7271 +111 
TWinControl.WndProc
004ca764 +0002c ZeitarbeitDeluxe.Exe Controls          7040   +3 
TWinControl.MainWndProc
0048027c +00014 ZeitarbeitDeluxe.Exe Classes          11583   +8 StdWndProc
7e3696c2 +0000a USER32.dll 
DispatchMessageA
004e6344 +000fc ZeitarbeitDeluxe.Exe Forms             8015  +23 
TApplication.ProcessMessage
004e637e +0000a ZeitarbeitDeluxe.Exe Forms             8034   +1 
TApplication.HandleMessage
004e65d4 +000cc ZeitarbeitDeluxe.Exe Forms             8125  +23 
TApplication.Run
00febf32 +00aea ZeitarbeitDeluxe.Exe ZeitarbeitDeluxe   649 +140 
initialization

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Date: Fri, 04 May 2007 09:09:45 +0200
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Subject: Re: D 2007 - TDBCtrlGrid - Canvas painting not allowed
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