How to unload all open forms

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How to unload all open forms

 
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  #1
Oct 1st, 2006
Hi All,
I need some guidance here...How does one close or unload all open forms in VB.Net. Can someone please help me out in this regard?
Thanks very much.
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Re: How to unload all open forms

 
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  #2
Oct 1st, 2006
Application.Exit()
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Re: How to unload all open forms

 
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  #3
Oct 2nd, 2006
i may try that out but this is the warning issued in msdn under application.exit() method

CAUTION The Form.Closed and Form.Closing events are not raised when the Application.Exit method is called to exit your application. If you have validation code in either of these events that must be executed, you should call the Form.Close method for each open form individually before calling the Exit method.
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Re: How to unload all open forms

 
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  #4
Oct 2nd, 2006
I used a for in vb to close all open forms but i am new to .Net and have not been able to do the same in .Net
Code in VB:

VB.NET Syntax (Toggle Plain Text) 
  1.  for each frm in forms
VB.NET Syntax (Toggle Plain Text) 
  1.  frm.close()
VB.NET Syntax (Toggle Plain Text) 
  1.  next

In .Net this does not work i guess...
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Re: How to unload all open forms

 
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  #5
Oct 2nd, 2006
hmn:
VB.NET Syntax (Toggle Plain Text) 
  1. for each XFrm in forms
  2.      unload XFrm
  3. next XFrm
?
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Re: How to unload all open forms

 
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Oct 3rd, 2006
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CAUTION The Form.Closed and Form.Closing events are not raised when the Application.Exit method is called to exit your application. If you have validation code in either of these events that must be executed, you should call the Form.Close method for each open form individually before calling the Exit method.
If you're using .NET 2.0 then that's not the case anymore. Application.Exit() raises the Form.Closing events.
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Re: How to unload all open forms

 
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  #7
Oct 4th, 2006
This is for VB Express 2005:
VB.NET Syntax (Toggle Plain Text) 
  1.        For i As Integer = My.Application.OpenForms.Count - 1 To 0 Step -1
  2.             If My.Application.OpenForms.Item(i) IsNot Me Then
  3.                 My.Application.OpenForms.Item(i).Close()
  4.             End If
  5.         Next i
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Re: How to unload all open forms

 
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  #8
Feb 29th, 2008
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Originally Posted by Inanna View Post
If you're using .NET 2.0 then that's not the case anymore. Application.Exit() raises the Form.Closing events.

Application.Exit() causes all the dialogs to get closed. but, It creates some problems in my test applicatin. is there anyother way to close all the opened forms by the current Application..??
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Re: How to unload all open forms

 
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Feb 29th, 2008
end
Never tried = Never Know
So, Please do something before post your thread.
* PM Asking will be ignored *
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Re: How to unload all open forms

 
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  #10
Sep 23rd, 2009
Well I've try also the code below:
VB.NET Syntax (Toggle Plain Text) 
  1. Dim openForm As Form = Nothing
  2.  
  3. For index As Integer = My.Application.OpenForms.Count - 1 To 0 Step -1
  4.     openForm = My.Application.OpenForms.Item(index)
  5.     If openForm IsNot Me AndAlso Not TypeOf openForm Is DevExpress.Utils.Win.TopFormBase Then
  6.       openForm.Close()
  7.       openForm.Dispose()
  8.       openForm = Nothing
  9.     End If
  10. Next

but there were some forms that were not close or rather I say was not detected as openforms.

My question is when during opening the form and it encounters some errors but still able to load the form, does the form considered as not an openform?
Last edited by jireh; Sep 23rd, 2009 at 3:03 am.
A conclusion is the place where you got tired of thinking.
http://www.martin2k.co.uk/forums/index.php?showforum=4
http://www.a1vbcode.com/a1vbcode/vbforums/Forum3-1.aspx
http://www.developerfusion.co.uk/for...orum&ForumID=4
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