Error Creating Handle
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Error Creating Window Handle C#
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programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Winforms issue - Error creating window handle [duplicate] up vote 38 down vote favorite 9 This question already has an answer
Error Creating Window Handle Sql
here: “Error Creating Window Handle” 5 answers We are seeing this error in a Winform application. Can anyone help on why you would see this error, and more importantly how to fix it or avoid it from happening. System.ComponentModel.Win32Exception: Error creating window handle. at System.Windows.Forms.NativeWindow.CreateHandle(CreateParams cp) at System.Windows.Forms.Control.CreateHandle() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl() at System.Windows.Forms.Control.OnVisibleChanged(EventArgs e) at System.Windows.Forms.ButtonBase.OnVisibleChanged(EventArgs e) c# windows winforms window-handles share|improve this question edited Jan 30 '11 at 4:02 Yi error creating cursor handle Jiang 35.6k11105121 asked Oct 21 '08 at 17:01 leora 17.6k2286321114 marked as duplicate by slugster, ecatmur, mattytommo, Anujith, ixe013 Feb 27 '13 at 14:54 This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question. add a comment| 10 Answers 10 active oldest votes up vote 36 down vote accepted Have you run Process Explorer or the Windows Task Manager to look at the GDI Objects, Handles, Threads and USER objects? If not, select those columns to be viewed (Task Manager choose View->Select Columns... Then run your app and take a look at those columns for that app and see if one of those is growing really large. It might be that you've got UI components that you think are cleaned up but haven't been Disposed. Here's a link about this that might be helpful. Good Luck! share|improve this answer answered Oct 21 '08 at 18:06 itsmatt 23.7k879142 I ran into this problem and found my app reported 9600+ USER Objects and 1800+ GDI Object. My problem is I'm not doing anything wrong, I'm just adding a lot of items to a FlowLayoutPanel. I guess I'm gonna have to 'page' the displayed data... –Gerardo Contijoch May 14 '15 at 18:24 add a commen
If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. error creating window handle sql server management studio To start viewing messages, select the forum that you want to visit from the system.componentmodel.win32exception error creating window handle selection below. Results 1 to 23 of 23 Thread: [RESOLVED] Error creating window handle. Tweet Thread Tools Show Printable Version bluestacks error creating window handle Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode Sep 19th, 2005,11:03 PM #1 bevz View Profile View Forum Posts Thread Starter Member Join Date Oct 2004 Location Cebu http://stackoverflow.com/questions/222649/winforms-issue-error-creating-window-handle City Posts 37 [RESOLVED] Error creating window handle. Before my project design and output works fine. Now, when I open one of the form of my project, it displays at the Task List which states "Error creating window handle." I did to step through the code and it returns no error and functional output. My problem is I can't see one of the form at the design time. Last http://www.vbforums.com/showthread.php?361359-RESOLVED-Error-creating-window-handle edited by bevz; Sep 21st, 2005 at 07:55 PM. Thank You Reply With Quote Sep 19th, 2005,11:41 PM #2 jmcilhinney View Profile View Forum Posts Visit Homepage .NUT Join Date May 2005 Location Sydney, Australia Posts 93,519 Re: Error creating window handle. I'd say the form's resource file has become corrupted. You could try right-clicking the form in the Solution Explorer and selecting Exclude From Project, then right-clicking the project and selecting Add Existing Item to re-add the form to the project and (hopefully) regenerate the resource file. If this doesn't work, you could do the same thing again but this time delete the RESX file for the form before re-adding it. You might want to make a backup copy of the solution folder before trying this, just in case. 2007-2016 Why is my data not saved to my database? | MSDN Data Walkthroughs MSDN "How Do I?" Videos: VB | C# VBForums Database Development FAQ My CodeBank Submissions: VB | C# My Blog: Data Among Multiple Forms (3 parts) | WP8 Turnstile Feather Transition with Pivot Control Beginner Tutorials: VB | C# | SQL Reply With Quote Sep 20th, 2005,01:00 AM #3 bevz View Profile View Forum Posts Thread Starter Member Join Date Oct
on for a client is used actively, users often get "Error creating window handle" exceptions. Aside from the fact that the application consumes too much resources, which is a separate issue altogether that we http://weblogs.asp.net/fmarguerie/cannot-create-window-handle-desktop-heap are already addressing, we had difficulties with determining what resources were getting exhausted as http://www.codeproject.com/Questions/891193/Error-creating-window-handle well as what the limits are for these resources.We first thought about keeping an eye on the Handles counter in the Windows Task Manager. That was because we noticed that some processes tended to consume more of these resources than they normally should. However, this counter is not the good one because it keeps track of error creating resources such as files, sockets, processes and threads. These resources are named Kernel Objects. The other kinds of resources that we should keep an eye on are the GDI Objects and the User Objects. You can get an overview of the three categories of resources on MSDN. User Objects Window creation issues are directly related to User Objects. We tried to determine what the limit is in terms of User Objects error creating window an application can use.There is a quota of 10,000 user handles per process. This value can be changed in the registry, however this limit was not the real show-stopper in our case. The other limit is 66,536 user handles per Windows session. This limit is theoretical. In practice, you'll notice that it can't be reached. In our case, we were getting the dreaded "Error creating window handle" exception before the total number of User Objects in the current session reached 11,000. Desktop Heap We then discovered which limit was the real culprit: it was the "Desktop Heap".By default, all the graphical applications of an interactive user session execute in what is named a "desktop". The resources allocated to such a desktop are limited (but configurable). Note: User Objects are what consumes most of the Desktop Heap's memory space. This includes windows. For more information about the Desktop Heap, you can refer to the very good articles published on the NTDebugging MSDN blog: Desktop Heap Overview Desktop Heap, part 2 Desktop Heap Monitor (dheapmon.exe) It's possible to monitor the Desktop Heap usage thanks to a command line tool: Desktop Heap Monitor (dheapmon.exe). It would be interesting to monitor this usage directly from within applications to prevent crashes. We could let users know
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