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Unhandled Error In Silverlight Application Invalid Cross-thread Access

Join them; it only takes a minute: Sign up Invalid cross thread access in silverlight up vote 0 down vote favorite i am making an application in silverlight 3.0. Entries (RSS) and Comments (RSS) ASP.net/C# learner, ASP.Net/C# developer Create a free website or blog at WordPress.com. So if you are loading it up into an XML or JSON parser all that will tie up the UI thread. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://fullflash.net/unhandled-error/unhandled-error-in-silverlight-2-application-invalid-cross-thread-access.html

You said you knew this already, but for reference: MSDN on thread-safe calls to UI share|improve this answer answered Dec 17 '09 at 21:04 Scott P 2,5711424 add a comment| up At any rate, thanks for the great answer and the thoughtful discussion. –Jim Reineri Jul 11 '11 at 12:37 add a comment| up vote 0 down vote I did like below e.Handled = true; Deployment.Current.Dispatcher.BeginInvoke(delegate { ReportErrorToDOM(e); }); } } private void ReportErrorToDOM(ApplicationUnhandledExceptionEventArgs e) { try { string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace; errorMsg = errorMsg.Replace('"', '\'').Replace("\r\n", @"\n"); System.Windows.Browser.HtmlPage.Window.Eval("throw new Error(\"Unhandled Error The exact error was "Invalid cross-thread access".

You could try to use some other means to store images in memory. Why are only passwords hashed? I went with byte[] as a mean of storage. –Ender Dec 18 '09 at 14:59 this also helped me when I had to raise a PropertyChanged event for multiple Can limit come into modulus of a given function?

  • I have tried instantiating BitmapImages on separate threads and it just doesn't work.
  • Join them; it only takes a minute: Sign up Invalid cross-thread access issue up vote 26 down vote favorite 13 I have two ViewModel classes : PersonViewModel and PersonSearchListViewModel.
  • If you delete your browser cache do you still see it?
  • asked 5 years ago viewed 7912 times active 4 years ago Visit Chat Linked 0 Yet another binding question Related 26Invalid cross-thread access issue12UnauthorizedAccessException: Invalid cross-thread access in Silverlight application (XAML/C#)1Thread
  • If not, why not?
  • You have to ensure that you return to the UI thread from your delegate before updating the UI.
  • To switch back to the UI tread you need a handle on the Dispatcher.
  • c# silverlight multithreading silverlight-3.0 share|improve this question edited Dec 17 '09 at 22:10 asked Dec 17 '09 at 20:36 Ender 6422714 add a comment| 3 Answers 3 active oldest votes up
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  • MattMatthew McDermott, MVP SharePoint Marked as answer by Pengyu Zhao Friday, May 18, 2012 9:51 AM Monday, May 07, 2012 11:13 AM Reply | Quote All replies 0 Sign in to

Not the answer you're looking for? Consider the following simply ListItem update code: C# < view plain text > private void UpdateData() { ClientContext clientContext = new ClientContext("url"); Web web = clientContext.Web; ListCollection listCollection = web.Lists; list The following would be an example: System.Windows.Media.Imaging.BitmapImage bi = null; using(AutoResetEvent are = new AutoResetEvent(false)) { System.Windows.Deployment.Current.Dispatcher.BeginInvoke(() => { bi = new BitmapImage(); are.Set(); }); are.WaitOne(); } ConvertToBitmapFromBuffer(bi, imageArgs.Result.Image); bitmapCallback.Invoke(bi); share|improve This is because it uses DependencyProperties, which can only be used on the UI thread.

That would seem to be functionality that the framework should handle. error2Invalid cross-thread exception in silverlight0invalid cross-thread access in release0Newbie: Invalid cross thread access with using busyindicator (silverlight and wcf service)0Invalid cross thread access in silverlight-5BackgroundWOrker Invalid cross-thread access0Unit testing silverlight classes Browse other questions tagged c# silverlight multithreading silverlight-3.0 or ask your own question. http://stackoverflow.com/questions/1924408/invalid-cross-thread-access-issue Why does Wikipedia list an improper pronunciation of Esperanto?

Please download the latest internal build from your Telerik account. Why can't the second fundamental theorem of calculus be proved in just two lines? Site Maintained By Adam Buenz Linked In Profile | My Other Websites: * Home/Farming Rennovation Blog * * WoW Detox *

ASP.net/C# learner, ASP.Net/C# developer HomeContact RSS Tag Archives: System.UnauthorizedAccessException: asked 6 years ago viewed 42317 times active 1 year ago Visit Chat Linked 0 Invalid cross thread access in merging two model objects 25 Understanding the Silverlight Dispatcher 6 Silverlight

Message: Unhandled Error in Silverlight Applicatio... Recent Posts Using PowerShell to Specify License Plans in Office 365How to Manage Updates for Windows 10Debugging Typescript in Safari and CordovaPodcast 309 - Scads and Scads of ThingsMy Post-Ignite 2016 MattMatthew McDermott, MVP SharePoint Marked as answer by Pengyu Zhao Friday, May 18, 2012 9:51 AM Monday, May 07, 2012 11:13 AM Reply | Quote 0 Sign in to vote Cross One of the fields PersonViewModel implements is a profile image that is downloaded via WCF(cached locally in isolated storage).

You will likely need to do the InvokeRequired/Invoke hokey-pokey whenever you update the bound class. check over here I do run several methods in my Service Classes async and in a new thread. more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Wim 8 posts Member since: Aug 2012 Posted 01 Aug 2012 Link to this post Here is a bit more info : I have a Settings.XAML page, and a the bottom

Player claims their wizard character knows everything (from books). In that application i have one public method as public void DrawWavform() { Line[,] line = new Line[10,200]; line[i,j]= new Line();//i am getting error here of invalid thread access //some operation However multi-threading approach causes cross-thread access issues. http://fullflash.net/unhandled-error/unhandled-error-in-silverlight-2-application-player-xap.html But I did not think of putting BeginInvoke in there.

All our notify properties call that instead of calling OnPropertyChanged directly. It also exposes a generally useful OnUiThread method so you can execute arbitrary code on the UI thread: protected delegate void OnUiThreadDelegate(); public event PropertyChangedEventHandler PropertyChanged; public void SendPropertyChanged(string propertyName) { Since loading images is relatively heavy, PersonSearchListViewModel loads only images for the current, next and previous page (results are paged on UI)...to further improve the load of images I put the

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Try using the 'Smooth Streaming Graphing Player' templateinstead. multithreading visual-studio-2010 silverlight drawing line share|improve this question asked Jul 20 '12 at 6:58 Dany 79051847 add a comment| 1 Answer 1 active oldest votes up vote 4 down vote accepted Great suggestion. –Jim Reineri Jul 8 '11 at 12:42 add a comment| up vote 3 down vote Hammock is running your request on a background thread, and you absolutely want to error3Invalid cross-thread access0Invalid cross thread access in silverlight7WP 7 multithreading, invalid cross-thread access0Possible Invalid cross-thread access?0c# shows thread invalid cross-thread access issues-5BackgroundWOrker Invalid cross-thread access1saving Images in isolated storage generate 'Invalid

If possible, how to include cut marks in PDF? (using watermark?) Is it dangerous to use default router admin passwords if only trusted users are allowed on the network? Executing expensive operations on the UI thread will cause your application to hang. PersonViewModel : public void RetrieveProfileImage() { Image profileImage = MemorialDataModel.GetImagePerPerson(Person); if (profileImage != null) { MemorialDataModel.ImageManager imgManager = new MemorialDataModel.ImageManager(); imgManager.GetBitmap(profileImage, LoadProfileBitmap); } } private void LoadProfileBitmap(BitmapImage bi) { ProfileImage = weblink current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.

Silverlight in Sharepoint 2010 webpart Web Part Verbs in SharaPoint 2010 Web Part in Sharepoint 2010-AJAX based Timer Web P... Instead I get this : Invalid cross-thread access. I always assumed (dangerous, I know) that was because the framework was invoking the callback on the UI thread. Am I missing something?

I would expect that parsing results would not be more that a few milliseconds.