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Raised Exception Class Eaccessviolation With Message Access Violation At Address


May raise exception frmIdentify.Release; end; {try} I hope this helps. Read of address 9000092E. BBBCat BBBCat Email BBBCat BBBCat « | » I started searching the web for ideas, and came across a few suggestions. http://1pxcare.com/access-violation/c-access-violation-exception.html

Here is the code displayed, before the exception handler runs: {$IFDEF MSWINDOWS} function ThreadWrapper(Parameter: Pointer): Integer; stdcall; {$ELSE} function ThreadWrapper(Parameter: Pointer): NativeInt; cdecl; {$ENDIF} {$IFDEF PUREPASCAL} var ThreadRec: TThreadRec; begin Result The RS232 IO is running on it's own thread, so I suppose the other threads go happily on their way. Read of address 00CB88C4 in C++Builder/Delphi programs Related Articles Use the TWebBrowser as an html editor in delphi How to get a web page's html source by using TWebBrowser component in Apr 27 '10 at 17:26 @Loren - thanks, yes you're right. http://www.devmedia.com.br/forum/exception-class-eaccessviolation-with-message-access-violat/353302

Delphi Access Violation At Address Read Of Address

In this case, most likely a class member that is located 228 bytes from the beginning of its class is probably being accessed via a nil object pointer. If you know how to fix it, please help. When you get an access violation from a piece of code like this that has no sane way of producing an access violation you're looking at trashed memory in some fashion. Password Lost Password?

Para isso:[list:5315b051e5][*:5315b051e5]marque as opes de debug em Project/Options/Compiler/Debugging[*:5315b051e5]d um build (menu Project/Build) no seu programa[*:5315b051e5]inicie a execuo do seu programa[*:5315b051e5]volte no Delphi[*:5315b051e5]no menu Search/Find Error, informe o endereo do erro (esse get rid of the FILE* altogether. The communication runs successfully for a while, with several messages sent and received, and then suddenly stops. Posts: 470 Registered: 10/14/04 Re: Raised exception class $C0000005 - access violation Reply Posted: Dec 11, 2016 10:23 AM in response to: Samuel Johnson String recordfilename =

Any help would be appreciated.Project PAT_p.exe raised exception class EAccessViolation with message 'Access violation at address 0049E197 in module 'PAT_p.exe'. Access Violation At Address In Module Delphi Delphi1 StringGrid1.Cells[0][0] := Edit1.Text; @GSUR 3 / 3 / 2 : 27.05.2010 : 60 20.09.2010, 11:31 [] Project Project1.exe raised exception class EAccessViolation with message 'Access violation at more hot questions question feed lang-pascal about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation http://stackoverflow.com/questions/2723299/delphi-access-violation-assigning-local-variable The first suggestion was that I should set "Disable incremental link" to true, under Project -> Options -> C++ Linker.

It is not helping you. Use Step or Run to continue Written by Shine Rosent Tags:Access Violation At AddressC++builderDelphiRead Of AddressWhen running your program, raise an error message, show as following(this message can be copied out Read of address 00000000. share|improve this answer answered Apr 27 '10 at 17:10 Lars Truijens 32k487113 1 Hilarious - some people are so quick to blame "with" that they even accuse it of causing

Access Violation At Address In Module Delphi

Boyfriend is coowner with sister, wants to move out Do we know exactly where Kirk will be born? http://www.delphipages.com/forum/showthread.php?t=61506 Ou entre com um desses serviços Entrar com o Facebook Cadastre-se Este Tópico Tudo Este Tópico Este Fórum Pesquisa Avançada Navegação Fóruns Regras Equipe de Moderação Usuários Online Mais Atividades Todas Delphi Access Violation At Address Read Of Address Changing the data type would not make a difference if fLocalName is a class member being accessed via an invalid 'this' pointer. -- Remy Lebeau (TeamB) Tamar Pedersen Posts: 6 Registered: How To Fix Access Violation At Address Use Step or Run to continue. --------------------------- OK Help --------------------------- O que pode ser?

Thanks to everyone for good ideas. his comment is here It verifies pointers on dereference and checks pointer arithmetic. Find all posts by andyho #5 07-09-2002, 12:49 PM figueroamar Senior Member Join Date: Jun 2001 Posts: 198 RE: tried your code, didn't work either :( Hi, If Register FAQ Community Calendar Today's Posts Search Community Links Members List Search Forums Show Threads Show Posts Tag Search Advanced Search Go to Page...

  1. Apr 27 '10 at 17:43 add a comment| up vote 2 down vote I don't think your error means anything like what it appears to.
  2. share|improve this answer answered Apr 27 '10 at 17:36 Mason Wheeler 59k29195355 4 Good point.
  3. Something that consistent would definately imply a logic bug.
  4. I'm at a bit of a loss what to try next, and wondered if anyone else has encountered this.
  5. Please note I am still learning.
  6. There was nothing sinister going on, like the memory manager I had suspected.
  7. It sets 'recordfileexists' to 'true', but then when it tries to execute the 'LoadFromFile()', that's when I get the error.
  8. Scroll To Top Feed Display Please make the Cache directory writable.
  9. The code the failure occurs at seems relatively innocuous, but the project is on the larger side.
  10. Let me know if you have encountered this, and have any other suggestions what I can try.

I attempted this, and saw a significant improvement. Clique aqui para efetuar seu login. It can be pretty ugly.) –Loren Pechtel Apr 29 '10 at 5:12 add a comment| up vote 1 down vote You are using with statements and are looking at a different this contact form The code is in C++ so, this seemed like a step backwards, but I was willing to try, to see if perhaps the memory manager was releasing memory out from under

Can't say I'm eager to spend more time than I've wasted already tracing through CPU registers solving a helloWorld problem. –J... Browse other questions tagged delphi variables access-violation or ask your own question. When I restart the tool the RS232 communication works again, but always stops after the same number of bytes have been sent and received.

And to make it a local variable do like this: procedure TForm1.Button1Click(Sender:TObject); var form: TForm2; begin form2:=NIL; try form2:=TForm2.Create(NIL); { Fill form2 with any data necessary } form2.showmodal; if form2.modalresult=mrOK then

Find all posts by helenchu #8 07-09-2002, 01:51 PM andyho Senior Member Join Date: Jul 2001 Posts: 1,446 RE: more questions ? Sorry, I don't get what you are trying to do there. Reply to this Thread Search Forum Back to Thread List Replies: 5 - Last Post: Dec 12, 2016 12:27 PM Last Post By: Remy Lebeau (Te... Bye, Andy If it helped please click accept...

Following shows my program's deep error message caught by codeguard. --------------------------- app.exe --------------------------- Access violation at address 635F76A5 in module 'mshtml.dll'. You are calling LoadFromFile() on an uninitialized pointer. All Rights Reserved. http://1pxcare.com/access-violation/access-violation-exception-at.html Which implies that it is being accessed via a 'this' pointer that is no longer valid when the AV occurs.

One thing to make you very depressed was that you have carefully checked your codes many times while nothing found wrong. --------------------------- Information --------------------------- Project app.exe faulted with message: 'access violation It validates Windows resource handles used in function calls. helenchu View Public Profile Send a private message to helenchu Visit helenchu's homepage! MoreAnswers 37091 / 29110 / 5898 : 17.06.2006 : 43,301 20.09.2010, 11:52 Project Project1.exe raised exception class EAccessViolation with message 'Access violation at address 007B90DA in module 'Project1.exe'...

Hello Below is what i have, if i run it for the 1st time, everything is ok, but then when I close the form frmIdentify, i got this error msg "Project Seu cdigo no testa essa situao.Me d essa ajudinha a to comeando agora, comprei esse cdigo fonte e estou querendo aprender...Como fao pra resolver?

0|0 Responder Citar Djjunior  Select project->Options in your develop tools(Delphi or C-Builder), switch to the CodeGurard page, enable the CodeGuard Validate option. Read of address 00000004'.-// : Delphi1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Process stopped. Though we should be careful ... Find all posts by helenchu #4 07-09-2002, 12:43 PM andyho Senior Member Join Date: Jul 2001 Posts: 1,446 RE: EAccessviolation ?? please excuse my very limited knowlege about programming, I just start playing recently. 1/ I have my frmIdentify in "Available forms" not "Autocreate forms" do i still need to take it