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Search found 35 results on 2 pages for 'objectdisposedexception'.

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• c# opennetCF background worker - e.result gives a ObjectDisposedException

  - by ikky

  Hi! I'm new working with background worker in C#. Here is a class, and under it, you will find the instansiation of it, and under there i will define my problem for you: I have the class Drawing: class Drawing { BackgroundWorker bgWorker; ProgressBar progressBar; Panel panelHolder; public Drawing(ref ProgressBar pgbar, ref Panel…

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• What can i do about an ObjectDisposedException in a dll i cannot access?

  - by djerry

  Hey guys, I'm using a dll to monitor calls (Atapi.dll). Sometimes when events occur, there's an ObjectDisposedException. This seems to be random, i don't know what causes it. I can't debug it and i don't have the source code to it. The events that cause the exception are call events (conencting calls) through Tapi 2.0. It does not causes my app…

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• ObjectDisposedException when .Show()'ing a form that shouldn't be disposed.

  - by user320781

  ive checked out some of the other questions and obviously the best solution is to prevent the behavior that causes this issue in the first place, but the problem is very intermittent, and very un-reproduceable. I basically have a main form, with sub forms. The sub forms are shown from menus and/or buttons from the main form like so: private…

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• ObjectDisposedException when outputting to console

  - by Sarah Vessels

  If I have the following code, I have no runtime or compilation problems: if (ConsoleAppBase.NORMAL_EXIT_CODE == code) { StdOut.WriteLine(msg); } else { StdErr.WriteLine(msg); } However, in trying to make this more concise, I switched to the following code: (ConsoleAppBase.NORMAL_EXIT_CODE == code ? StdOut : StdErr…

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• ObjectDisposedException from core .NET code

  - by John

  I'm having this issue with a live app. (Unfortunately this is post-mortem debugging - I only have this stack trace. I've never seen this personally, nor am I able to reproduce). I get this Exception: message=Cannot access a disposed object. Object name: 'Button'. exceptionMessage=Cannot access a disposed object. Object name:…

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• Form gets disposed somehow

  - by mnn

  I have a client-server application, in which I use classic Sockets and threads for receiving/sending data and listening for clients. The application works fine, but after some random time I get the ObjectDisposedException: System.ObjectDisposedException: Cannot access a disposed object. Object name: 'MainForm'. at…

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• IIS7 integrated mode closing token between requests

  - by user607287

  We are migrating to IIS7 integrated mode and have come across an issue. We authenticate using WindowsAuthentication but then store a reference to the WindowsPrincipal so that on future requests we can authorize as needed against AD. In IIS 7 Integrated mode, the token is being closed (between requests) so that when we…

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• What could be causing a "Cannot access a disposed object" error in WCF?

  - by Nima

  I am using the following code: private WSHttpBinding ws; private EndpointAddress Srv_Login_EndPoint; private ChannelFactory<Srv_Login.Srv_ILogin> Srv_LoginChannelFactory; private Srv_Login.Srv_ILogin LoginService; The Login is my constructor: public Login() { InitializeComponent(); …

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• Opened SerialPort crashes C# application

  - by Stefan Teitge

  The computer is connected to measuring device via a physical COM1. I have simple form where I open a serial port, tell the device that I'm alive and occasionally the device sends data. (every some minutes) Thread _readThread = new Thread(Read); SerialPort _serialPort = new SerialPort("COM1", 9600); _serialPort.Parity…

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• ASP.Net Entity Framework, objectcontext error

  - by Chris Klepeis

  I'm building a 4 layered ASP.Net web application. The layers are: Data Layer Entity Layer Business Layer UI Layer The entity layer has my data model classes and is built from my entity data model (edmx file) in the datalayer using T4 templates (POCO). The entity layer is referenced in all other layers. My data…

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• LINQ to SQL ObjectDisposedException on entity that never asked for.

  - by gtas

  I have this strange behavior. Im Loading some entities in a List< and append to a grid. When double click the grid i take the row cast to the entity and append to a property. I have changed some things in my database and code and now i get this exception while i never wanted to check something on this Entity…

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• Windows phone 8.1 emulator not loading OS

  - by Anonymous Person

  I am trying to launch the emulator (Emulator 8.1 WVGA 4 inch 512 MB, or any other as a matter of fact) but it fails to launch. It goes to the "Loading OS" screen then throws an error box with the text "DEP6100". On VS, it says at the bottom Error1 Error : DEP6100 : The following unexpected error occurred…

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• Synchronized Enumerator in C#

  - by Dan Bryant

  I'm putting together a custom SynchronizedCollection<T> class so that I can have a synchronized Observable collection for my WPF application. The synchronization is provided via a ReaderWriterLockSlim, which, for the most part, has been easy to apply. The case I'm having trouble with is how to…

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• Unity framework - creating & disposing Entity Framework datacontexts at the appropriate time

  - by TobyEvans

  Hi there, With some kindly help from StackOverflow, I've got Unity Framework to create my chained dependencies, including an Entity Framework datacontext object: using (IUnityContainer container = new UnityContainer()) { container.RegisterType<IMeterView, Meter>(); …

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• NHibernate exception "Session is closed! Object name: 'ISession'."

  - by nrk

  Hi, I am getting the folloinwg error from NHibernate: System.ObjectDisposedException: Session is closed! Object name: 'ISession'. at NHibernate.Impl.AbstractSessionImpl.ErrorIfClosed() at NHibernate.Impl.AbstractSessionImpl.CheckAndUpdateSessionStatus() at…

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• Synchronized IEnumerator<T>

  - by Dan Bryant

  I'm putting together a custom SynchronizedCollection<T> class so that I can have a synchronized Observable collection for my WPF application. The synchronization is provided via a ReaderWriterLockSlim, which, for the most part, has been easy to apply. The case…

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• A look into serialPort

  - by MarekK

  You wrote at: Opened SerialPort crashes C# application "A look into the .NET Framework source code helped a lot. But I think the thrown ObjectDisposedException should be caught by the SerialPort, not by the user." I'd like to take a look on source code for…

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• Lifetime issue of IDisposable unmanaged resources in a complex object graph?

  - by stakx

  This question is about dealing with unmanaged resources (COM interop) and making sure there won't be any resource leaks. I'd appreciate feedback on whether I seem to do things the right way. Background: Let's say I've got two classes: A class…

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• Better way to ignore exception type: multiple catch block vs. type querying

  - by HuBeZa

  There are situations that we like to ignore a specific exception type (commonly ObjectDisposedException). It can be achieved with those two methods: try { // code that throws error here: } catch (SpecificException) { /*ignore this*/ } catch…

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• Reading off a socket until end of line C#?

  - by Omar Kooheji

  I'm trying to write a service that listens to a TCP Socket on a given port until an end of line is recived and then based on the "line" that was received executes a command. I've followed a basic socket programming tutorial for c# and have come…

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• XNA 4.0 - What happens when the window is minimized?

  - by Conrad Clark

  Hello. I'm learning F#, and decided to try making simple XNA games for windows using F# (pure enthusiasm) , and got a window with some images showing up. Here's the code: (*Methods*) member self.DrawSprites() = _spriteBatch.Begin() …

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• Tomboy error while tring to sync with Ubuntu one; Can anyone help?

  - by Michael Chapman

  So I'm sure you've heard the song before, but after trying to sync my notes with Ubuntu One(on 10.10 AMD64) I get "Could not synchronize notes. Check the details below and try again." Of course the problem is that there are no details and trying…

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• Unit testing Monorail's RenderText method

  - by MikeWyatt

  I'm doing some maintenance on an older web application written in Monorail v1.0.3. I want to unit test an action that uses RenderText(). How do I extract the content in my test? Reading from controller.Response.OutputStream doesn't work,…

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• powershell / runspace in a thread

  - by Vincent

  Hello ! I'm running the following code : RunspaceConfiguration config = RunspaceConfiguration.Create(); PSSnapInException warning; config.AddPSSnapIn("Microsoft.Exchange.Management.PowerShell.Admin", out warning); if (warning != null)…

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• Right way to dispose Image/Bitmap and PictureBox

  - by kornelijepetak

  I am trying to develop a Windows Mobile 6 (in WF/C#) application. There is only one form and on the form there is only a PictureBox object. On it I draw all desired controls or whatever I want. There are two things I am doing. Drawing…

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