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Access Violation At Address Showmodal

Now there's definitely no difference between the 2 TWinControls... BACK TO HOME ENJOY NIELSENRegister now to get updates on promotions and coupons. Find all posts by Norrit #4 11-25-2009, 01:12 AM David B Senior Member Join Date: Jun 2009 Posts: 319 Hi Peter, It is really as simple as Code: Read of address 00000000". check over here

Why is that? Those demos probably will not work on Lazarus KOL-CE port, but you can look at source code.BTW: Do you solved problem with events error? Join the community of 500,000 technology professionals and ask your questions. Find all posts by Norrit « Previous Thread | Next Thread » Thread Tools Show Printable Version Email this Page Display Modes Linear Mode Switch to Hybrid Mode Switch to Threaded

Hilberin Delphi Developer Mon, 18 Oct 1999 03:00:00 GMT Re:ShowModal causing access violation what code is performed on the OnformCreate or onFormActivate???.. Other Threads 1. Join our community for more solutions or to ask questions. You only need to set its variable to nil, to re-use it next time.

intelligence agencies claim that Russia was behind the DNC hack? All of their (the events') handlers worked fine at one time, before I added a Query component. Why leave magical runes exposed? The controls on the form include a calendar control (the one which comes with Delphi), check boxes, combo boxes and a list box.

Ken Fisler Delphi Developer Wed, 18 Jun 1902 08:00:00 GMT Error: Access violation at address ..... Never heard of this problem aswell... 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 Read More Here TActionList and assign the same TAction to the TButton and the TMenuItem...

Privacy Policy Support Terms of Use To use Google Groups Discussions, please enable JavaScript in your browser settings, and then refresh this page. . CEO fraud, ransomware and spear phishing attacks are the no1 threat to a company’s security. You should checkout official kol demos http://kolmck.net/e_demos.htm , especialy "2 forms" (http://kolmck.net/demos/Demo2Forms.zip) and "modal forms" (http://kolmck.net/demos/DemoModalForm.zip) . How can "USB stick" online identification possibly work?

This form is launched from another grid with no problems but from this particular form, I keep getting an access violation... SELECT < CAUSING AN ACCESS VIOLATION Board index » delphi » Error: Access violation at address ..... It might also help to understand the history of this task. The components on that form are created when the form is created.

Since trying this new sample code sourced from Embarcadero's help tool, only the controls on the new form (ResultForm) are loaded, no explicitly added code on that form initiates. check my blog Why does the `reset` command include a delay? In such cases, you have to… Delphi Implementing a ListView in Firemonkey Article by: LesterClayton Introduction Raise your hands if you were as upset with FireMonkey as I was when I So in the OnClick-Event of the MenuItem You should do this:ModalResult:=mrCancel // or anything other<>0I think then all should work in Your caseYogi Logged Lazarus 1.3 SVN 44197 * FPC 2.7.1

Use the debugger. Cheers David B View Public Profile Send a private message to David B Find all posts by David B #5 11-25-2009, 07:57 AM Norrit Moderator Join Date: Aug Should we kill the features that users are not using frequently, to improve performance? http://itivityglobal.com/access-violation/access-violation-at-address-in-module-read-of-address-delphi.html Well.....

Megathanks in advance for any help. -- ================================================================ To reply, take out "spamwall-" from my address. ================================================================ Wilson W Delphi Developer Wed, 18 Jun 1902 08:00:00 GMT Re:Error: Access violation Keeping windshield ice-free without heater Personal taxes for Shopify / Paypal shop? As you finish projects in Quip, the work remains, easily accessible to all team members, new and old. - Increase transparency - Onboard new hires faster - Access from mobile/offline Try

After you'll find out witch of the components is causing you AV, you'll be able to debug by tracing line per line the component codes. 0 Message Author Comment by:Bianca

current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. pode ser muito os motivos do errovc esta instanciando o formulario de forma no convencional ( apesar de insistirem em atribuir o self como proprietrio, o que errado na situao guesing u use a already created form via a refernce variable, instead to use the newly cerated form. Try to remove all the components on that form, comment any codes related to those components so you won't have any compiler error and start running by putting back components one

Usua… Delphi An example of Operator Overloading in Delphi XE2 Article by: developmentguru In my programming career I have only very rarely run into situations where operator overloading would be of Its not just this form it seems to be happening to some other previously ok menu items as well. Logged Lazarus 1.2.6 + FPC 2.6.4 x86 (rebuild), Windows 7 x64, unless otherwise specified irw10062 New member Posts: 31 Re: get Access Violation when close form using menu after form2 second http://itivityglobal.com/access-violation/access-violation-at-address-in-module-read-of-address-00000000.html By the way Delphi 7 Pro on Vista with full "run as administrator" privileges.

Great for personal to-do lists, project milestones, team priorities and launch plans. - Combine task lists, docs, spreadsheets, and chat in one - View and edit from mobile/offline - Cut down Ja vi erros desta natureza , mas mesmo que no corrija o teu problema altamente recomendado fazerFrmUsuarios := TFrmUsuarios.Create(nil);try FrmUsuarios.ShowModal;finally FreeAndNil(FrmUsuarios);Tem que ver tambm o que vc coloca no oncreate na hora que vc ta instanciando um dos primeiros eventos a ser executado vai ser o FrmUsuarios.onCreate();FrmUsuarios := TFrmUsuarios.Create(nil);olha no onCreate do frmUsuarios se ta instanciando algum outro objeto como por It is really weird as I have never had this before.

QuoteKen Fisler wrote in message <[email protected]>... >Hi, y'all, >I'm using Delphi Developer's edition, v. 2.0 but I've also gotten the >same problem with this code when I use the version 3 Join Now For immediate help use Live now! Delphi Pages - Archive - Top - Contact Us Powered by vBulletin Version 3.8.8Copyright ©2000 - 2017, vBulletin Solutions, Inc. list of files based on permission Where can I report criminal intent found on the dark web?

I guess that if the modal form is freed and destroyed and you try to read something from it you would get an access violation. Are there some components on the Form2, or is this just an empty form? did you tried my example above? So why am I having this error message?

asked 4 years ago viewed 2142 times Related 2TNetSharingManager access violation problem3Access Violation in Multithreaded Application on Windows Server 20031Access Violation when touching dynamic form?4Delphi Win32 Programming/Access Violation problems0Delphi 6 Memory I click ok on the error then click the menu item again and the form shows fine. Indeed, now you've solved my whole problem! Where is ResultSForm declared?

On that form I have databases being linked to that form and displayed.