NET End vs Form Close vs Application Exit Cleaner way to close one s app

Question

sometimes  when I use Form close   when debugging my program  although the form is closed  the application is still running  I noticed this behaviour when using the msgbox function   I have no thread nor timer running  so what is the best way to close a  NET app  I am using VB NET   Thanks

User · Answer

Application Exit   kills your application but there are some instances that it won t close the application    End is better than Application Exit

User · Answer

In  Net 1 1 and earlier  Application Exit was not a wise choice and the MSDN docs specifically recommended against it because all message processing stopped immediately   In later versions however  calling Application Exit will result in Form Close being called on all open forms in the application  thus giving you a chance to clean up after yourself  or even cancel the operation all together

User · Answer

The situation you describe is pretty fishy  Whenever you close your program s startup form  the entire application should quit automatically  including closing all other open forms  Make sure that you re closing the correct form  and you should not experience any problems   The other possibility is that you ve changed your project  using its Properties page  not to close until all open windows have been closed  In this mode  your application will not exit until the last remaining open form has been closed  If you ve chosen this setting  you have to make sure that you call the Close method of all forms that you ve shown during the course of application  not just the startup main form   The first setting is the default for a reason  and if you ve changed it  you probably want to go fix it back  It is by far the most intuitive model for normal applications  and it prevents exactly the situation you describe  For it to work properly  make sure that you have specified your main form as the  Startup form   rather than a splash screen or log-in form    The settings I m talking about are highlighted here    nbsp  nbsp  nbsp   But primarily  note that you should never have to call Application Exit in a properly-designed application  If you find yourself having to do this in order for your program to close completely  then you are doing something wrong  Doing it is not a bad practice in itself  as long as you have a good reason  The other two answers fail to explain that  and thus I feel are incomplete at best

User · Answer

Form Close   is use to close an instance of a Form with in  NET application it does not kill the entire application  Application exit   kills your application

User · Answer

Just put  End  keyword in your code   Sub Form Load     Dim answer As MsgBoxResult   answer   MsgBox  Do you want to quit now    MsgBoxStyle YesNo    If answer   MsgBoxResult Yes Then       MsgBox  Terminating program         End    End If  End Sub

User · Answer

If you are in a loop  Do While  For       and you call Me Close    you should follow with an Exit command  Exit Do       or a Return   to force the message processing to terminate properly  I caught programs hanging due to this

[.net] .NET End vs Form.Close() vs Application.Exit Cleaner way to close one's app

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