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Closing the program

 
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Closing the program
centers
25 Sep, 2007 - 12:14 PM
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Well I started writing code for a control simulator and before I knew it I had 40 Forms and 2 Modules. It runs well when I run it in the IDE but when I made it into an exe it ran ok but when I clicked on the close button (the X in the upper right hand corner) not all of the forms closed.
So what is the best way to Close or Exit a program?

This post has been edited by centers: 25 Sep, 2007 - 01:19 PM
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Martyr2
RE: Closing The Program
25 Sep, 2007 - 03:55 PM
Post #2

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What you will want to do is loop through all the forms and unload them. VB will fully close as soon as you close all forms. This is even recommended over the use of End and can be done with a snippet like the following...

CODE

Public Sub UnloadAllForms()

      Dim objForm As Form
        
      ' Loop through all the forms and unload each
      For Each objForm In Forms
            Unload objForm
      Next

      Set objForm = Nothing
End Sub


Then all you have to do is call the function to unload all the forms loaded. I hope this is a solution that will work for you. Good luck.

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born2c0de
RE: Closing The Program
26 Sep, 2007 - 06:22 AM
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QUOTE
This is even recommended over the use of End

Exactly.

The End statement stops code execution abruptly without invoking the Unload, QueryUnload, or Terminate event, or any other Visual Basic code.

Objects created from class modules are destroyed, files opened using the Open statement are closed, and memory used by your program is freed. Object references held by other programs are invalidated.

The End statement provides a way to force your program to halt. For normal termination of a Visual Basic program, you should unload all forms. Your program closes as soon as there are no other programs holding references to objects created from your public class modules and no code executing.

Source : MSDN
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centers
RE: Closing The Program
26 Sep, 2007 - 06:39 PM
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Thanks for the snippet.
How would I trigger this?
I'm thinking maybe put a cmdClose() in one of the modules. Would that be triggered from any of the forms if the Close ( X in the top right had corner of a form) was Clicked?


QUOTE(Martyr2 @ 25 Sep, 2007 - 04:55 PM) *

What you will want to do is loop through all the forms and unload them. VB will fully close as soon as you close all forms. This is even recommended over the use of End and can be done with a snippet like the following...

CODE

Public Sub UnloadAllForms()

      Dim objForm As Form
        
      ' Loop through all the forms and unload each
      For Each objForm In Forms
            Unload objForm
      Next

      Set objForm = Nothing
End Sub


Then all you have to do is call the function to unload all the forms loaded. I hope this is a solution that will work for you. Good luck.

smile.gif
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