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Vb Cannot Access A Disposed Object


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Object name: 'Form'. This all works correctly but say a user opens the tickets form then closes it, then decides to check the tickets again and opens it again then it throws the error. End If End Sub Interesting thing to know, even though it would throw the ObjectDisposedException when attempting to start the timer, the timer would still get started causing it to run the time interval elapses before the first call is done processing) _timer.Stop() ' do work here ' Only start the timer if the form is open.

Cannot Access A Disposed Object C#

You problem that you do not know why the object is disposed when you try to access it, or you knowingly try to access a disposed object? It's a really annoying problem because if someone did come up with a solution that worked - I wouldn't be able to confirm the solution because I cannot recreate the problem Any ideas what is causing the exception and how I might go about fixing it? Fredrik Bornander 13-Nov-13 9:23am What line throws that?

  1. by VB_Autocad_guy.
  2. Word for a Fact Believed by a Sub-Culture Assigning only part of a string to a variable in bash How does Gandalf end up on the roof of Isengard?
  3. I was starting the timer in the Timer_Elapsed() event.
  4. Hypothesis: Maybe you have a main thread and a timer thread accessing this control.
  5. When answering a question please: Read the question carefully.
  6. Objectname: 'frmBatchProcess'.
  7. Solved!
  8. If it didn't work for you then you didn't do it properly.
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Do you need your password? THEDΛRKJOKER 123,244 views 3:56 Nexus Mod Manager Error: Unable to Write Permissions FIX! Object name: 'Form'. Cannot Access A Disposed Object Object Name Form1 C# Try looking up some tutorials about how to implement Singleton pattern in VB.net. –Frosty840 May 3 '13 at 10:24 add a comment| up vote 0 down vote Instead of trying to

Calculating ...5(5+4(4+3(3+2(2+1(1))))) How to handle a common misconception when writing a Master's thesis? Cannot Access A Disposed Object Object Name Really? Your form is named as frmBatchProcess, which implies that you donot want to run multiple forms. Tuesday, May 31, 2011 6:00 AM Reply | Quote 0 Sign in to vote RSin, This is a Visual Basic forum so pleas don't abuse this forum by dropping C# code

The main thread shuts down - calling Control.Dispose() to indicate that I'm done with this Control and I shall make no more calls to this. Cannot Access A Disposed Object C# Socket In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms share|improve this answer answered Aug 27 '08 at 6:47 imaginaryboy 5,25112125 add a comment| up vote 0 down vote Another place you could stop the timer is the FormClosing event - If you want to reuse the same form instance, Hide it instead of Closing it. I re-read your post.

Cannot Access A Disposed Object Object Name

Remove it, I added it's content to the original question. Hi, i have made several forms at runtime. Cannot Access A Disposed Object C# It is completely not necessary to testIf myForm.IsDisposed Then...because the form is just created (unless you have complicated code in the form constructor that may dispose itself due to some initializing Cannot Access A Disposed Object Wcf What I told you to do will work if you do it properly.

Single word for the act of being susceptible? http://rinfix.com/cannot-access/vb-net-cannot-access-a-disposed-object-object-name.html Nicho1995W 24,151 views 2:12 Disposed Objects in JustTrace - Duration: 1:55. How to stop NPCs from picking up dropped items How to handle swear words in quote / transcription? That code will create a new instance if there isn't one already or if the last one has been closed. Cannot Access A Disposed Object Sql Server

At the end, creating this sub routine in a new button from the tool box fixed the problem. 0 Kudos Message 3 of 3 (1,703 Views) Reply 0 Kudos All Forum Now I realize that a few months have passed between the time you posted this and when I am answering, so hopefully you have resolved this issue. share|improve this answer answered Jun 7 at 14:56 Bozhidar Stoinev 1,4991311 add a comment| up vote 0 down vote Not sure if it is the best/nicest solution, but found a solution http://rinfix.com/cannot-access/vb-net-cannot-access-a-disposed-object-form.html Go to Solution.

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Cannot Access A Disposed Object Marshalling Window Frame The Solution: Private Sub myForm_FormClosing(ByVal sender As System.Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles MyBase.FormClosing ' set the form closing flag so the timer doesn't fire even after the form is closed. Your form is named as frmBatchProcess, which implies that you donot want to run multiple forms.

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Tuesday, May 31, 2011 6:56 AM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Msdn Web site. C# young and did not understand with method dispose. Missing } inserted. \int dx = x + C & Does an Eldritch Knight's war magic allow Extra Attacks? Cannot Access A Disposed Object Timer The process cannot access the file-4nullreferenceexception was unhandled?Object reference not set to an instance of an object1VB.net random numbers each to different label0how to update mysql database in vb.net2How to code

This is a variable declaration: vb.net Code: Dim var As SomeType This is declaring a variable, creating a new object and assigning it to the variable: vb.net Code: Dim var As Paulo Bonnes 218,402 views 3:54 Tutorial Error J I T Debugger VB NET - Duration: 10:06. Everywhere on the form I was starting the timer, I had it check this flag. http://rinfix.com/cannot-access/vb-net-cannot-access-a-disposed-object-named.html Well, for a start you haven't done what I said so why you would think that it would work I don't know.

Thanks for the clarification.Norman you're a true programmer I can tell Thanks!Appreciate your blog as well. Like I said, if you shown this in the first place then the issue would have been obvious in the first place. private void FormMain_Shown(object sender, EventArgs e) { /// if (_formHint.Handle != (IntPtr)0) /// _formHint.Tag = 0; Program.OnReceiveMessage += new ReceiveMessageHandler(_formHint.DoReceiveMessage); CheckMessagesChatBuffer(); _formHint.Show ///<-- Is disposed form exception. } public void CheckMessagesChatBuffer() If it's the same as in the other code you need to NOT create the form where you declare it.

Boss sends a birthday message. Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report 02-02-2012 02:38 PM in reply to: norman.yuan AWESOME! Objectname: 'frmBatchProcess'.: Page 1 .NET Reply Topic Options Subscribe to RSS Feed Mark Topic as New Mark Topic as Read Float this Topic to the Top Bookmark Subscribe Printer Friendly Page thanks a lot.Sorry, but I can not get you...Are you telling that you ignore that exception, then you are doing wrong if the form is an important part of the application.Correct

Still need help with this one :/ Its driving me mad Thanks Reply With Quote Jun 30th, 2012,05:12 AM #13 jmcilhinney View Profile View Forum Posts Visit Homepage .NUT Join Date Reply 0 Kudos VB_Autocad_guy

Post 2 of 4 Share Report Re: Error: "Cannot access a disposed object. Like I said, if you shown this in the first place then the issue would have been obvious in the first place. 2007-2016 Why is my data not saved to my