Error Creating Window Handle Tab Control
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An Error Occurred While Executing Batch Error Message Is Error Creating Window Handle
4.7 million 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 here: “Error Creating Window Handle” 5 answers We are seeing this error in a Winform error creating window handle sql server management studio 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 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 a
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System.componentmodel.win32exception Error Creating Window Handle
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Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, winforms error creating window handle just like you, helping each other. Join them; it only takes a minute: Sign up Win32Exception - error creating window handle? up vote 0 down vote favorite 1 Can you explain why this happens? Here are steps http://stackoverflow.com/questions/222649/winforms-issue-error-creating-window-handle to reproduce the exception: 1. Drag-n-drop a TextBox on a form. Add any other focusable control such as a button on the form. 2. Add 2 event handlers for that TextBox as follow: private void textBox_GotFocus(object sender, EventArgs e){ ((TextBox)sender).HideSelection = false; //<-- exception highlighted at here. } private void textBox_LostFocus(object sender, EventArgs e){ ((TextBox)sender).HideSelection = true; } 3. Run the form and first click on the textBox, then click on the button then http://stackoverflow.com/questions/16955270/win32exception-error-creating-window-handle click on the textBox again -> the exception will throw: Win32Exception - error creating window handle. The code is simply to make the HideSelection change accordingly when the textBox gets focused and loses focus. Your help would be highly appreciated! In fact this is discovered by chance, I don't work on any project with this. So it's not urgent. :) UPDATE I don't know why is so volatile, I created another project and now the problem is different, there is no exception but an indefinite loop which makes the textbox flicker, the form doesn't seem to responsive, the CPU usage is consumed up to about 17-20%. The last demo is still opened and that demo still has the Win32Exception thrown. Not a clue at all. Now the code of the two projects are the same but the problems are different. c# winforms events textbox focus share|improve this question edited Jun 6 '13 at 7:34 asked Jun 6 '13 at 6:36 King King 39.1k64976 Are using a 3rd party textbox control with GotFocus and LostFocus events? –Jeremy Thompson Jun 6 '13 at 7:10 @Jeremy Thopmson These events do exist for the TextBox control, just are not available in the designer ;-) –EtherealMonkey Jun 6 '13 at 7:19 @King King, the TextBox is redrawn multiple times
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TipsBlackBerry TipsDesign TipsFirefox TipsiPad TipsiPhone TipsJoomla TipsInternet Explorer TipsSmartPhone TipsMicrosoft Excel TipsMicrosoft Word TipsMicrosoft PowerPoint TipsOutlookWindows Phone 7Palm TipsWeb HostingSamsung TipsHTC TipsMOTOROLA TipsNokia TipsSearch Engine OptimizationElectronic AccessoriesSocial MediaInternetPrintersWindows PhoneWeb DevelopmentArticlesGeneral ArticlesReal Estate FormsRemote ControlsOperating SystemWindows VistaWindows 7Windows ServerWindowsOS X Tweet Author: Jenny Nguyen System.ComponentModel.Win32Exception: Error creating window handle Tweet An error occur when the window is resized. You may get an error similar to the below. Windows has a limit of 1000 windows handles, so if there is a memory leak in the app then you may get this error. 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.TextBoxBase.CreateHandle() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl() at System.Windows.Forms.Control.SetVisibleCore(Boolean value) at System.Windows.Forms.TabPage.set_Visible(Boolean value) at System.Windows.Forms.TabControl.UpdateTabSelection(Boolean updateFocus) at System.Windows.Forms.TabControl.OnSelectedIndexChanged(EventArgs e) at System.Windows.Forms.TabControl.WmSelChange() at System.Windows.Forms.TabControl.set_SelectedIndex(Int32 value) at C Try to use Process Explorer or the Windows Task Manager to look at the GDI Objects, Handles, Threads and USER objects. To view the additional columns in Task Manager try this: 1. Go to Task Manager2. Select View -> Select the columns you want to view. Check to see if you can detect any object that grows very large. It might be that you've got UI components that you think are cleaned up but haven't been Disposed. Also use Memory Profiler to check for memory leak that could cause this error. * iOS Development * OS X * Product Review Amazon.com Widgets Scroll to Top Privacy Policy - Copyright 2009