Error Creating Windows Handle .net
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up “Error Creating Window Handle” up vote 16 down vote favorite 3 We're working on a very large .NET WinForms composite application - not CAB, but a similar home grown framework. We're running in a Citrix and RDP environment running on Windows Server 2003. We're starting to run into random and difficult to reproduct "Error creating window handle" error that seems to be an old fashion handle leak in our application. We're making heavy use of 3rd Party controls (Janus GridEX, Infralution VirtualTree, and .NET Magic docking) and we do a lot of dynamic loading and rendering of content based on metadata in our database. There's a lot of info on Google about this error, but not a lot of solid guidance about how to avoid issues in this area. Does the stackoverflow community have any good guidance for me for building handle-friendly winforms apps? .net winforms handles share|improve this question edited Feb 27 '13 at 8:15 Kiquenet 5,0672486148 asked Sep 18 '08 at 0:26 user8133 141125 See also [this post of mine about "Error creating window handle"][1] and how it relates to USER Objects and the Desktop Heap. I provide some solutions. [1]: weblogs.asp.net/fmarguerie/archive/2009/08/07/… –Fabrice Aug 8 '09 at 0:41 add a comment| 5 Answers 5 active oldest votes up vote 21 down vote I have tracked down a lot of issues with UIs not unloading as expected in WinForms. Here are some general hints: alot of the time, a control will stay in use because controls events are not properly removed (the tooltip provider caused us really large issues here) or the controls are not proper
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Error Creating Window Handle (VB.NET) up vote 1 down vote favorite I have a fairly large application written in VB.NET which seems to be suffering from a memory http://stackoverflow.com/questions/88904/error-creating-window-handle leak of one kind or another. Several times per day, I have instances of this application that crash (seemingly at random, but always after being used for almost a day). I've searched and read many forums and even questions asked here on Stack Overflow about this particular problem. What I've determined is that this is related to a memory leak and usually points to either the handles exceeding 10,000 or the objects exceeding the limit. I've downloaded http://stackoverflow.com/questions/27133895/error-creating-window-handle-vb-net the memory pro filer and have used it to locate and fix several memory leaks in the program but that hasn't seemed to slow down the daily crash count. My program uses a global error catcher to log these events and store information about them in the database. I've now got about 2 months worth of data but the error message doesn't really help point me in any kind of direction. I've recently added the ability for this global error catcher to log the handles that the application has and so far it has been far below the 10,000 handle threshold. Usually it is under 1,000. Long story short, my question is this. Is there some way to log the GDI object count so I can determine if that is causing my program to crash? Are there other 'objects' that might be causing the memory leak and crash besides these two and can I log those some how? I've tried reading as much as I can and I just can't get a good grasp on this so I appreciate any direction you can give me. It seems like these types of problems plague a lot of programs. Hopefully someone can help me and this can help others in the future. A little more information about my program and environment. It mostly runs on Windows 7 64 bit machines (although
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