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Value Dispose Cannot Be Called While Doing Createhandle


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 Start a coup online without the government intervening Why does top 50% need a -50% translate offset? facebook google twitter rss Free Web Developer Tools Advanced Search  Forum Programming Languages - More Visual Basic Programming How to solve exception: Value Close() cannot be called while doing CreateHandle() I am using VB.NET 3.5 (Would this question be better in the .NET forum?) with DevExpress Data Grid and other UI controls. his comment is here

The linked MSDN documentation contains sample code, and you can find plenty of other questions here on Stack Overflow about it by using the handy-dandy search feature. Or is it really neceassary for simple forms with a couple of controls? Turns out it was a threading issue. Help Gửi bởi numberVII trong diễn đàn Nhập môn lập trình C#, ASP.NET Trả lời: 6 Bài viết cuối: 30-07-2009, 04:08 PM Quyền hạn của bạn Bạn không thể gửi đề

Value Close Cannot Be Called While Doing Createhandle Vb Net

You cannot manipulate UI elements on any thread but the main UI thread. Perhaps there is some kind of 'ready state' event that you can use to control the timing of closing and loading forms? But when I try to close or Dispose that form from the form that created it I get following Exception: Exception : Value Dispose() cannot be called while doing CreateHandle(). Is it possible for a diesel engine computer to detect (and prevent) a runaway condition?

more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Would the members of an online imageboard (or any community) be able to build a post-apocalytic society upon their reputation? Show all comments Alisher (DevExpress Support) 04.14.2015 Hi Ali,The mentioned exception may happen when youmanipulate UI elementsfrom a separatethread. View All Notifications Email : * Password : * Remember me Forgot password?

It appears occassionally calling Dispose after closing forms, which were called with ShowDialog. QGIS Print composer scale problems Polyglot Anagrams Cops' Thread Possible repercussions from assault between coworkers outside the office Was it legal to rant against trick or treating via loudspeaker during halloween? Advanced Search VBForums Visual Basic Visual Basic .NET VS 2008 System.InvalidOperationException: Value Dispose() cannot be called while doing Create If this is your first visit, be sure to check out the How do I deal with my current employer not respecting my decision to leave?

But the form cannot be closed during the loading point of time. Bây giờ là 08:10 AM. - Sáng lập bởi Kevin Hoang @2006- Nguồn đã được cung cấp bởi vBulletin 4.2.2- Bản quyền nguồn ©2016 vBulletin Solutions, Inc - Sử dụng và Mong các bác giúp đỡ! Đã được chỉnh sửa lần cuối bởi angeltrongminh : 01-11-2011 lúc 11:31 PM. share|improve this answer answered Jun 21 '14 at 2:35 ferhatozkanun 1 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign

System.invalidoperationexception Value Dispose() Cannot Be Called While Doing Createhandle().

Does anybody have some clues how to get rid of this exception? Yes No Log In Products Suites BEST VALUE Universal (includes all DevExpress .NET products in one integrated suite) DXperience (includes all DevExpress .NET Controls along with CodeRush) .NET Products INDIVIDUAL PLATFORMS Value Close Cannot Be Called While Doing Createhandle Vb Net Gửi bởi nthung trong diễn đàn Thắc mắc lập trình Visual C++ Trả lời: 4 Bài viết cuối: 07-11-2010, 09:22 PM Giải thích giùm phương thức Dispose Gửi bởi bachdienthusinh trong To start viewing messages, select the forum that you want to visit from the selection below.

I call Dispose in the FormClosed events, and the exception occur in the command Dispose. this content Neither DialogBox nore CustomForm override the ShowDialog() method of Form (which is why it is not shown in the stacktrace. Last edited by acidedgeuk; April 13th, 2011 at 12:17 PM. For example, the following code gives the error: Private Sub RootForm_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load 'Some Validation 'If Failed then close the form Me.Close 'The exception

It looks like somehow, within the ShowDialog() method and before the form's handle is created, the Dispose() method is called. Take a look atValue Dispose() cannot be called while doing CreateHandle() Error when Using Thread for a possible solution.Would you pleasecreate asimple solution or provide us with the problematic one that Browse other questions tagged c# or ask your own question. weblink I changed my code and call the forms with Form.Show and close it with Close ().

share|improve this answer edited Sep 22 '10 at 12:22 answered Sep 22 '10 at 10:17 Henk Holterman 184k17176327 1 He posted a C# code snippet but the stack trace shows You could query IsHandleCreated or set a flag yourself to avoid this exception. –Jürgen Steinblock Apr 8 at 6:59 add a comment| up vote 1 down vote Start by breaking it Unfortunately, the exception is thrown before the FormClosing() event is fired, so checking for IsHandleCreated has been a bust (was not sure if it would have worked anyway).

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  • so now what could be the solution??? –Jankhana Jan 20 '10 at 4:44 add a comment| up vote 0 down vote The code is as follows: if (frmMain.objfrm== null) { frmMain.objfrm
  • Then start adding commented code and see when the error happens.
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  • It should not happen.
  • Oliver Reply With Quote Aug 12th, 2012,08:15 PM #4 jmcilhinney View Profile View Forum Posts Visit Homepage .NUT Join Date May 2005 Location Sydney, Australia Posts 93,756 Re: System.InvalidOperationException: Value Dispose()
  • share|improve this answer answered Sep 23 '10 at 8:16 Jürgen Steinblock 14.5k1068118 1 The supplied link is broken. –kerem Apr 29 '15 at 14:30 1 @kerem That's why I
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  • lần hàm Code: private void _btn_search_Click(object sender, EventArgs e) { _panel1.Visible = true; _panel2.Visible = false; flagFinish = false; Thread threatExecuting; threatExecuting = new Thread(new ThreadStart(executing_search)); this._timer1.Stop(); this._timer1.Start(); threatExecuting.Start(); } thì

Developer Express Inc disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. You are disposing the object when the GUI is creating it (that what the exception said) Try with this: if (frmMain.objfrm== null) { frmMain.objfrm = frmMyForm.Instance; frmMain.objfrm.ShowInTaskbar = false; } frmMain.objfrm.ShowDialog(); A couple of questions: Why is the closing of one instance affecting another? Note the My namespace.

QGIS Print composer scale problems How to capture disk usage percentage of a partition as an integer? What is this line of counties voting for the Democratic party in the 2016 elections? I am not sure if I use, and understand, GC and Dispose correctly. http://bovbjerg.net/cannot-be/value-close-cannot-be-called-while-doing-createhandle.php Login using C# Corner In Focus DOWNLOAD: C# Corner Android App Version 0.5.4 Why Developers Should Focus On Communication LEARN: How to become a Microsoft MVP C# Corner

Results 1 to 5 of 5 Thread: System.InvalidOperationException: Value Dispose() cannot be called while doing Create Tweet Thread Tools Show Printable Version Subscribe to this Thread… Display Linear Mode Switch to winforms share|improve this question edited Feb 17 '14 at 21:34 Tshepang 4,7161059103 asked Jan 19 '10 at 11:31 Jankhana 34031326 It depends on what code was used to show Hot Network Questions How can I open the next/previous file alphabetically?