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Invoke Or Begininvoke Cannot Be Called On A Control Until


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How do I resolve this? –George Mauer Apr 30 '09 at 20:44 yep that's correct. IsDisposed can be false when tested but become true before the submitted action is fully executed. Formula 1 rebus Should I allow my child to make an alternate meal if they do not like anything served at mealtime? Why can issuing the same command create more output in tty than in pts/gnome-terminal? https://support.microsoft.com/en-us/kb/975055


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Click "OK" on the security dialog and it will probably error. Alternating Fibonacci Ballpark salary equivalent today of "healthcare benefits" in the US? Browse other questions tagged winforms multithreading or ask your own question. Sql Server Setup Has Encountered An Error When Running A Windows Installer File Linked 1 Cross-threading operation not valid 31 Is it appropriate to extend Control to provide consistently safe Invoke/BeginInvoke functionality? 4 “System.InvalidOperationException: The object is currently in use elsewhere” - how do

So, the code you want is probably more like: if (IsHandleCreated) { // Always asynchronous, even on the UI thread already. (Don't let it loop back here!) BeginInvoke(new UpdateTextFieldDelegate(WriteToForm), finished, numCount); Cumulative Update Package 4 For Sql Server 2008 Service Pack 1 This is a magical, super-specific case where you don't have to. Can't do that reliably. http://stackoverflow.com/questions/808867/invoke-or-begininvoke-cannot-be-called-on-a-control-until-the-window-handle-has I think there's something odd about the installer on 64-bit Windows.

This is happening randomly, during debugging it only happens one a week or so. Sql Server Setup Has Encountered The Following Error File Format Is Not Valid Thanks sql-server sql-server-2008 share|improve this question asked Nov 4 '09 at 23:38 blade3 91113 add a comment| 11 Answers 11 active oldest votes up vote 20 down vote This isn't really In Revelation 19:16, of which kings is Jesus king? Solution 2 Accept Solution Reject Solution According to the trace, you're calling Invoke on a control from inside the forms Load event.

Cumulative Update Package 4 For Sql Server 2008 Service Pack 1

I need that window to show, I'm not clear why IsHandleCreated is false, but not having the window show up is not an option, my question is about why in the http://stackoverflow.com/questions/1677435/invoke-or-begininvoke-cannot-be-called-on-a-control-until-the-window-handle-has You can check IsHandleCreated to see if a form is already created, but you need to put everything in proper error handling as the Invoke statement can throw an exception if Ishandlecreated Unless your MainForm inherits ZigbeeJoinForm. –King King Jul 12 '13 at 3:03 delegate is a keyword which can't be used for variable name but this code line of yours Sql Server Setup Has Encountered The Following Error The Handle Is Invalid if (!m_form.IsHandleCreated) m_form.CreateControl(); //Update the label using delegate method m_form.lblHello.Invoke((MethodInvoker)delegate(){ m_form.lblHello.Text = "Hello!";}); Note: m_form is windows form contains a label named lblHello to update.

In either case InvokeRequired will return false because it is not possible to invoke without a handle. http://bestimageweb.com/sql-server/invoke-or-begininvoke-cannot-be-called-on-a.php What now? Browse other questions tagged c# multithreading winforms delegates or ask your own question. See more: VB VB.NET Hi, I'm getting this error message below, but without a source trace, so i'm unable to locate the error. Sql Server Setup Has Encountered The Following Error Exception Has Been Thrown

I think you can also read it as "Invoke or BeginInvoke cannot be called on a control after the window handle has been destroyed" So your event fires after the Window In the case where the control's handle has not yet been created, you should not simply call properties, methods, or events on the control. I edited the post with a condition that should fix the problem. –Arnshea Apr 30 '09 at 20:53 I'm not convinced this is the case. have a peek at these guys You can actually use BeginInvoke in either case, if you watch out for recursive invocation, and so on.

The message can also appear after a Form is disposed. Sql Server 2008 Installation Step By Step Before calling the anonymous delegate to update your UI components, add the following check: //Fixed window handle issue. Update: After overcoming the 1st issue, I got another issue where the actual database engine component failed to install without reason.

At this point, all bets are off re: that control because its handle has been created on a thread that doesn't have a message pump for it, as mentioned in the

So that's one big problem with your code above, but not necessarily the error you're reporting. Op amp output load more hot questions question feed lang-sql about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / This might cause the control's handle to be created on the background thread, isolating the control on a thread without a message pump and making the application unstable." The whole point Invokerequired My cat sat on my laptop, now the right side of my keyboard types the wrong characters Why "silver-tongued" for someone who is convincing?

Browse other questions tagged c# wcf invoke or ask your own question. Linked -1 Not able to install SQL Server Related 9How do I fix a Cross language installation problem in SQL Server 2008?93Database Diagram Support Objects cannot be Installed … no valid http://support.microsoft.com/kb/975055 You then have to request the Hotfix, and wait for the link to be sent to you. check my blog Technological gradient within a solar system?

Join them; it only takes a minute: Sign up Invoke or BeginInvoke cannot be called on a control until the window handle has been created up vote 9 down vote favorite That passes ok but then I get this error: TITLE: SQL Server Setup failure. And the handle gets cleared by Dispose(), such as after the Form is closed. Browse other questions tagged c# winforms or ask your own question.

I used your modified to suit my form to solve a problem in threading which prevented me from updating label1. So you'll get the exception when your method is called from a thread other than the one that created the control. Understand that English isn't everyone's first language so be lenient of bad spelling and grammar. Longer answer: Read the comments on this answer: stackoverflow.com/a/714680/6932 –Greg D Dec 17 '12 at 18:51 1 This answer and the MSDN article is all about InvokeRequired returning false because

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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 share|improve this answer edited Aug 25 '11 at 3:43 answered Aug 24 '11 at 20:23 Albin Sunnanbo 36.5k34882 add a comment| up vote 5 down vote here is my answer Let's If the control handle has not yet been created, you must wait until it has been created before calling Invoke or BeginInvoke. Not the answer you're looking for?