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How to detect application exiting in VB

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  • 17-04-2010 11:11am
    #1
    radioactiveman
    Closed Accounts Posts: 324 ✭✭


    Hi
    Does anybody know how to detect when a program exits in visual basic?
    The program I'm doing is a console application in windows. It's just an .exe file that runs and prints some things to the console and then finishes.

    I managed to detect when the console is closed with Control-C etc but what I really need is to detect when the actual program exits, like if there is a null pointer exception, and the program completely bombs out. Also the program can be called by other applications so it doesn't always run in a console.
    I've had a look for different events in visual basic on the web but most of them are for Application.Exit which I think is the event for a dialog when you click the X button..
    thanks


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    #2
    Webmonkey
    Registered Users Posts: 9,579 ✭✭✭Webmonkey


    Can you catch these exceptions with try/catch blocks...not fully familar with VB unfort.


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    #3
    DublinDilbert
    Registered Users Posts: 5,379 ✭✭✭DublinDilbert


    I'm not sure about in VB, but one thing that i've done in the past is run the console application and re-direct its output to a text file (using the ">>" operator in dos), then you can read the text file and see what the application has done.


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    #4
    radioactiveman
    Closed Accounts Posts: 324 ✭✭radioactiveman


    Hi
    Thanks, in the end I just caught all of the possible exceptions and called a cleanup function so that the application would not just end immediately.

    I couldn't find a way anywhere to detect if the application was exiting - or the windows event and how to detect it..
    anyway not a bad solution - thanks


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