Thread: Open program error notification

  1. #1
    Registered User
    Join Date
    Mar 2013

    Open program error notification

    I've almost finished a Terminal/Command Prompt Program that can do most of the
    things a Microsoft or Linux Terminal can do - but I have a problem. I've got it to open
    programs fine, and I can also open their browser to the download page if they don't have it,
    but I need my program to know if there isn't the software so a bit like command prompt where
    it says 'The system cannot find the file test.txt.' and then it'll take them to the website if they like.
    I'd appreciate it if someone gave me advice on what to do.Thank you ,

  2. #2
    Join Date
    Oct 2007
    Inside my computer
    If you use an API that would open a file, it would tell you if it succeeded or not. What API is dependent upon your platform; there is no standard C++ function for this.
    Quote Originally Posted by Adak View Post
    io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
    Quote Originally Posted by Salem View Post
    You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.

    Outside of your DOS world, your header file is meaningless.

  3. #3
    Algorithm Dissector iMalc's Avatar
    Join Date
    Dec 2005
    New Zealand
    Sounds like you should stop using System to launch the program, and use CreateProcess instead, and possibly WaitForInputIdle, not to mention CloseHandle.
    My homepage
    Advice: Take only as directed - If symptoms persist, please see your debugger

    Linus Torvalds: "But it clearly is the only right way. The fact that everybody else does it some other way only means that they are wrong"

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