Home > Access Violation > Access Violation At Address In Module Read Of Address Delphi

Access Violation At Address In Module Read Of Address Delphi


Thanks for your patience.Regards, Serge dxSample_B137914-2-Corrected.zip 0 Serge (DevExpress Support) 07.27.2009 Hi Jacques,It's me again... And I had to look more than 10 minutes at it, in order to see the AV that happened there. All rights reserved. var i : Integer; begin for i:=0 to self.ComponentCount-1 do begin if self.Components[i] is TTimer then TTimer(self.Components[i]).Enabled := False; end; Regards, Abdulaziz Jasser Jasser View Public Profile Send a private message Check This Out

In that case, it may be a bug in Alpha Controls, since TsSkinProvider is requesting the handle. Do they wish to personify BBC Worldwide? Should we eliminate local variables if we can? Please refer to the DevExpress.com Website Terms of Use for more information. http://stackoverflow.com/questions/6403006/closing-form-produces-access-violation-at-00000258

Access Violation At Address In Module Read Of Address Delphi

I believe that this problem is reviewed in our Support Center and a solution is found in the B137972: AV on destroying an editor after upgrading to 44 and 45 . How does it work for you?Regards, Serge dxSample_B137914-2.zip 0 Jacques Garcia Vazquez 07.16.2009 Raaaah, I'm really sorry. We've introduced the ActiveCanvas property to perform the necessary calculations when the corresponding handle isn't created:[Delphi] tmpWidth := tmpLabel.ActiveCanvas.TextWidth(tmpLabel.Caption) + 3;2) Call the control's HandleNeeded method before referring to its Canvas:[Delphi] When was today's radar measurement of the Earth-Sun distance made and by who?

Thanks! Strange enought, the form with standard TLabel doesn't have any problem. The first one I posted was the one for my application before I make the sample.Now, I have included another test program. Delphi Access Violation At Address Read Of Address In fact you don't really need to set breakpoints, you can just run under the debugger and arrange that exceptions trigger a breakpoint. –David Heffernan Oct 10 '11 at 16:15

Where can I find Boeing 777 safety records? DEVEXPRESS About Us News Our Awards Upcoming Events User Comments Case Studies Reviews and Publications Licensing Purchasing MVP Program Contact Us Logos .NET CONTROLS WinForms ASP.NET MVC WPF Windows 10 Apps Read of address > 0306b58c." >Maybe something to with OnShow and OnClose event >Below is my OnShow and OnClose for Parent Form: >OnShow event >Application.CreateForm(TfmAPRPAgedPayBySupplierClassKeyAce,fmAPRPAgedPayByS u >pplierClassKeyAce); > Application.CreateForm(TfmAPRPAgedPaySupplierClassKeySummaryAce); > Application.CreateForm(TfmAPRPAgedPayableDetailsBySupplier2); Here is my log: date/time : 2011-06-19, 16:26:06, 851ms computer name : JEFF-PC user name : Jeff registered owner : Microsoft / Microsoft operating system : Windows 7 x64 Service

Most likely, the control's handle was created every time prior to referring to its canvas. Safemm On the other hand, I'm sure you have done some research about that "bug". Please Help 4. I regret to inform you that this information is not enough for us to find the cause of the issue.

Delphi Access Violation At Address 00000

Regards, Abdulaziz Jasser Jasser View Public Profile Send a private message to Jasser Visit Jasser's homepage! http://devzone.advantagedatabase.com/forum/questions/6826/access-violation-closing-form-xe7 What's the male version of "hottie"? Access Violation At Address In Module Read Of Address Delphi Find all posts by Jasser #9 10-11-2005, 06:19 AM murphys Senior Member Join Date: Aug 2001 Posts: 2,948 RE: access violation after main form destroy ok i close Delphi Find Error please check (and remove) if exists auto-create of your form (TFrmCommentEditor) in main project (prj) source: Appliation.CreateForm(TFrmCommentEditor, FrmCommentEditor); So, maybe you have two instance of form.

Nodes can be multiple selected and exported (the export iterates through each selected node and saves specific data to a text file - the information saved to the text file is his comment is here the AV error was caused by trying to access the progressbar on the form that has not yet been created. –user741875 Jun 2 '11 at 12:49 5 +1 for subtly A Little Cryptic Puzzle Recreate the ASCII-table as an ASCII-table What happens to a radioactive carbon dioxide molecule when its carbon-14 atom decays? The fact that this workaround is absolutely not official from CodeGear is totally beyond our control but it works. Madexcept

Can't remember number. The errors seem to arise in third party components we use (the devexpress dx/cxgrid library) so I'd like to start debugging in my code at pretty much the last point before Please help-VB guy migrating to Delphi-Access Violation 7. http://itivityglobal.com/access-violation/access-violation-at-address-in-module-read-of-address-00000000.html Sunlight and Vampires Are people of Nordic Nations "happier, healthier" with "a higher standard of living overall than Americans"?

My Account ManageYour Profile Change your addressemail and password Assign Licenses Manage licensesfor your dev team Renew anExisting SubscriptionPurchaseHistory New order statusand previous purchases DownloadYour Products Need help or require more Delphi 7 Find Error 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... share|improve this answer answered Jul 18 '13 at 6:47 david 794513 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign

Or it's merely an ordinary mistake?

by srcstorm [Today at 11:50:35 am] Timage to Tedit by Handoko [Today at 11:27:14 am] ZMSQL installation by kapibara [Today at 11:25:21 am] I've made some fairly sig... So really you do not have to free the main form. Keep in touch with Experts ExchangeTech news and trends delivered to your inbox every month Membership How it Works Gigs Live Careers Plans and Pricing For Business Become an Expert Resource Access Violation At Address 00000 Read Of Address 00000 Search on my name would get you it. –David Heffernan Oct 10 '11 at 20:42 | show 1 more comment 2 Answers 2 active oldest votes up vote 2 down vote

How to solve it? Read of address 000002F4. Page 1 of 2 1 2 > Thread Tools Display Modes #1 10-11-2005, 03:45 AM murphys Senior Member Join Date: Aug 2001 Posts: 2,948 access violation after navigate here We had to do this previously dues to a bug in TcxLabel and autosize = True.

The FastMM memory manager has such options. So, we've decided to research the situation further and try to find out a workaround. What are the benefits of an oral exam? delphi access-violation share|improve this question edited Jan 16 '16 at 19:08 Brian Tompsett - 汤莱恩 3,336132979 asked Jun 2 '11 at 12:24 user741875 7 you were way too fast to

Please test it at your end and let me know if you get the same results.Thanks, Serge dxSample_B137914.zip 0 Jacques Garcia Vazquez 07.16.2009 Hi Serge,>> Just imagine, if CodeGear will release