Ascii value for "break" key

This is a discussion on Ascii value for "break" key within the C Programming forums, part of the General Programming Boards category; Does anyone know the ascii value for the pause/break key?...

  1. #1
    Registered User SavesTheDay's Avatar
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    Ascii value for "break" key

    Does anyone know the ascii value for the pause/break key?

  2. #2
    Registered User MisterBadger's Avatar
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    Smile

    The code for the <Escape> key is 0x1B (no quotes) if that's what you're after...
    Code:
      
      printf("* * * * * MAIN MENU * * * * *\n\n");
      printf("PLEASE SELECT:\n\n");
      printf("SOMETHING #1 <1>\n");
      printf("SOMETHING #2 <2>\n\n");
      printf("TO QUIT PROGRAM PRESS <Esc> ");
      ch=getch();
    
      switch(ch)
      {
    	case '1'    : something_to_do;
    	                  break;
    	case '2'    : something_a_bit_different;
                                      break;
    	case 0x1B: break;
    	default     : printf("* * * <%c> IS NOT A VALID SELECTION * * *\a",ch);
    		  break;
    	} /* end switch */
    
     if(ch==0x1B) break;  /* from a while loop... */
    Hope it helps...
    Cheers from MrB

  3. #3
    Registered User WayTooHigh's Avatar
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    Re: Ascii value for "break" key

    Originally posted by SavesTheDay
    Does anyone know the ascii value for the pause/break key?
    to my knowledge, the pause/break key doesn't have an ascii value. but the virtual-key code is VK_PAUSE.
    Sometimes, the farthest point from the center is the center itself.

    Your life is your canvas, it's only as beautiful as you paint it.

  4. #4
    Registered User SavesTheDay's Avatar
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    What is The VK_Pause, We're suppose to write a program that exits when someone strikes the Break Key, and we don't know how to accomplish this.

  5. #5
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    What you are looking for is Crtl-C in Windows. Check to see if the choice == EOF and break if so. That is the Break command in Windows. If you are checking Esc, test (choice == 27). This just will not work on some systems, but that is how you do it.

    e.g.

    if ((choice == 'q') || (choice == EOF) || ( choice == 27))
    {
    return 0;
    }


    good luck on finishing by 8:30.

    p.s. you shouldn't have dropped Discrete, lol

  6. #6
    Registered User SavesTheDay's Avatar
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    dude! hahaha....i can't believe you read that this late....it's 2am and our programming is finally working....you gotta give me your e-mail addy and name so I can write you sometime....how did the Discrete test go for you? i sure enough dropped it like a *****...but enjoy the rest of the semester! my uark addy is ct***ra@uark.edu, drop me a line sometime.

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