Error Creating Window Handle C .net
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Error Creating Window Handle Sql
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creating window handle [duplicate] up vote 38 down vote favorite 9 This question already has an answer 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() system.componentmodel.win32exception error creating window handle 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 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
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Vb.net Error Creating Window Handle
Win32Exception: Error creating window handle Written byds Posted inC# .Net Comments winforms error creating window handle 1 Comment These exceptions are hardly reproducable if they only appear at the customer's workstation who cannot explain exactly what they did to get this message - and if it is quite a large project. Long story short - Don't forget to dispose controls http://stackoverflow.com/questions/222649/winforms-issue-error-creating-window-handle and other objects if this is not done automatically, e.g. if the controls were not created in the VS Designer. It you create a control instance in your source code, it might stay there until you close the form (or even longer). So if you remove a control, also make sure you call the Dispose() http://www.dxsdata.com/2013/07/solving-win32exception-error-creating-window-handle/ method of it. Also make sure that timers really stop after closing a form. In huge projects, it is not easy to locate the reason for this Win32Exception. So I will try to explain here how I got rid of these errors. Task Manager is your friend In Windows Task Manager details, add the counter colums for handles, threads, user objects and GDI objects. Watch your application if any of these values get very high, e.g. over 1000. They shouldn't get over 10000 (or near 10000, in most cases), otherwise you get the Win32Exception. You can test this behaviour with a sample project which includes a loop, e.g. to create new forms which never close etc. If the exception appears only on other computers in your network, a Remote Task Manager is also available. Methods via C# You also get the handle count values in your C# software. Handle count: Process.GetCurrentProcess().HandleCount GDI objects count: [DllImport("User32")] extern public static int GetGuiResources(IntPtr hProcess, int uiFlags); public sta
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