Question

closing a program

Asked by: jankhead

alot of times when i make a program and if u hit the X at the top to close it, the form will go away but if u hit control alt delete, u can see that its still running..... how can i make it close all the way when the X is hit ?

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Asked On
2003-05-31 at 01:15:51ID20632146
Topic

Visual Basic Programming

Participating Experts
12
Points
20
Comments
23

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    Answers

     

    by: prasitleePosted on 2003-05-31 at 01:28:56ID: 8619361

    Dear Jankhead,
        You could check by adding the following sub into your form.

    Private Sub Form_Terminate()
        MsgBox "The form is closing"
    End Sub

        Whenever, the user click at the X Button, this event will be fired.

        I am not sure if I answer you correctly, If not, please provide me more details.

                                                                            Meng

     

    by: Hornet241Posted on 2003-05-31 at 01:37:29ID: 8619369

    Do you have mulitple forms in the program and if so are you using

                Form2.Hide

    This will make to form go away but not unload

                Unload Form2
    or
                Unload Me

     

    by: yodantPosted on 2003-05-31 at 01:42:40ID: 8619379

    Private Sub Form_Unload(Cancel As Integer)
    End
    End Sub

    This will close the whole program when you click the X on a form.

     

    by: prasitleePosted on 2003-05-31 at 01:48:39ID: 8619384

    Dear Jankhead,
        Let 's try to copy this code into your VB Project.

    'Note. you need to add another CommandButton into your form.

     Option Explicit

    Private Sub Command1_Click()
        Unload Me
    End Sub

    Private Sub Form_Terminate()
        MsgBox "Terminate"
    End Sub

    Private Sub Form_Unload(Cancel As Integer)
        MsgBox "Unload"
    End Sub    

        You could see that whenver you push the CommandButton or click at the X Button, you would see the MessageBox "Unload" first and then follow with MessageBox "Terminate". That 's mean if you wish to guarantee that this form have been unloaded completely. You have to check it at the event Form_Terminate.

                                                                                              Meng

     

    by: marcus03Posted on 2003-05-31 at 03:29:27ID: 8619546

    I assume it is because you have other forms still loaded.

    Paste this code into the unload event of the form you click X on:


    Private Sub Form_Unload(Cancel As Integer)

       For intCtr = (Forms.Count - 1) To 0 Step -1
          Unload Forms(intCtr)
       Next intCtr

    End Sub

     

    by: yodantPosted on 2003-05-31 at 04:54:25ID: 8619726

    marcus03: this loop is really unnecessary. "End" is enough, he only wants to shut down the program.

     

    by: RavenOfThoughtPosted on 2003-05-31 at 08:46:41ID: 8620327

    Someone else asked this question a few days ago.

    "End" hides and unloads every form and object in the program, and the process is destroyed.

     

    by: RavenOfThoughtPosted on 2003-05-31 at 08:51:13ID: 8620340

    If you only want the Form to shut down the entire program when the X is clicked, and NOT when you programmatically unload it, then use this:

    Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
        If UnloadMode = vbFormControlMenu Then End
    End Sub

     

    by: dipsterPosted on 2003-05-31 at 10:57:10ID: 8620750

    Simple:
    To unload all forms in your program:

    Private Sub Form_Unload(Cancel as Interger)
    Dim i as Interger
    For i = Forms.Count - 1 to 1 Step -1
          Unload Forms(i)
    Next
    Exit Sub

    This closes all of the open forms!

     

    by: yodantPosted on 2003-05-31 at 13:04:46ID: 8621217

    dipster, look at one of the comments above you... the one by marcus03...
    Plus, this loop is REALLY unnecessary!

     

    by: Arthur_WoodPosted on 2003-05-31 at 18:00:34ID: 8622214

    to yodant and otehs suggesting using

    END

    to terminate a program.  That is VERY VERY VERY VERY (get the idea) BAD advice.

    Yes, End will cause the program to end - rather ABRUPTLY.  Using End to terminate a program is EXACTLY equivalent to stopping your car, by smashing is, at full speed, into a BRICK wall, because you are too lazy (or don't know how) to apply the brakes, and the turn off the ignition.  

    Both techniques STOP the CAR, but the first technique is VERY BAD for anyone who might happen to be sitting in the car at the time.  So too with using END.  Yes, the program stops, but ALL memory allocations (such as open files, database connections, whatever) are NOT cleaned up, and that can  have potentially serious consequences for your computer.  NEVER use END, for any purpose.  If you program is left in memory, there MUST be a reason, and when you find out what that reason is, and reslove hat, then th program will terminated properly.

    AW

     

    by: yodantPosted on 2003-05-31 at 21:08:56ID: 8622691

    That's true, but if you're a neat programmer, you won't leave any of these "footprints" - a good programmer closes all files he's finished with, closes database connections, and so on.

     

    by: Arthur_WoodPosted on 2003-06-01 at 15:30:41ID: 8625864

    and in that case, the program closes NATURALLY, when the last form is unloaded and set to nothing, and the END statement is TOTALLY un-necessary.  Using END becomes a CRUTCH, a lazy-man's way out, if you will, and it is a VERY VERY bad habit ot get into.

    AW

     

    by: yodantPosted on 2003-06-01 at 21:16:19ID: 8626878

    Well, if you say so...
    I was "raised" to use END. Odd. :)

     

    by: jankheadPosted on 2003-06-02 at 00:25:51ID: 8627610

    ok, that was alot of responces, which one should i use, please somone just tell me the best one.

     

    by: JonyvPosted on 2003-06-02 at 02:03:53ID: 8627981

    You should go for the soulution first suggested by marcus03,  this is the 'standard' way of terminating VB applictions.

     

    by: drpunkPosted on 2003-06-02 at 02:22:16ID: 8628060

    Keep it tidy. Remember collections?

    Dim frm as Form
    For Each frm in Forms
        Unload frm
    Next

    This is what MSDN (in one place. It's mentioned quite a bit more. Investigate yourself if you must).

    "The End statement ends an application immediately: no code after the End statement is executed, and no further events occur. In particular, Visual Basic will not execute the QueryUnload, Unload or Terminate event procedures for any forms. Object references will be freed, but if you have defined your own classes, Visual Basic will not execute the Terminate events of objects created from your classes."

    If this is not reason enough to not use End, then I'm not quite sure what would be.

     

    by: Arthur_WoodPosted on 2003-06-02 at 05:29:40ID: 8628884

    MY POINT, exactly!!!!

    AW

     

    by: marcus03Posted on 2003-06-05 at 09:16:28ID: 8658621

    Hi jankhead, you should accept an answer to close the question. I can't see why your question would not have been answered by these replies.

     

    by: AlbertaBeefPosted on 2003-06-18 at 20:13:56ID: 8754592

    As it's the user closing the form he wants to capture, why not combine the form_terminate sub with proper code to unload all the forms??

    Private Sub Form_Terminate()

       For intCtr = (Forms.Count - 1) To 0 Step -1
          Unload Forms(intCtr)
       Next intCtr

    End Sub

     

    by: CleanupPingPosted on 2003-08-02 at 15:55:21ID: 9055425

    jankhead:
    This old question needs to be finalized -- accept an answer, split points, or get a refund.  For information on your options, please click here-> http:/help/closing.jsp#1
    EXPERTS:
    Post your closing recommendations!  No comment means you don't care.

     

    by: GPrentice00Posted on 2003-08-10 at 21:32:36ID: 9119676

    No comment has been added lately, so it's time to clean up this TA.
    I will leave a recommendation in the Cleanup topic area that this question is:

     -->Accept drpunk's comment as Answer

    Please leave any comments here within the next seven days.

    PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER

    GPrentice00
    Cleanup Volunteer

     

    by: GPrentice00Posted on 2003-08-10 at 21:33:00ID: 9119678

    clean, tidy, simple summary of everyones comments.

    20120131-EE-VQP-002

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