Thread: Assigning exit key

hello sorry if i had posted something that is already available coz i've search this but to no avail.what i want to do is assign the q key to quit the program what is the command line?

Code:

 #include <stdio.h>
#include <iostream.h>
#include <conio.h>
using namespace std;

int main()
{
   char q,x;
   int choice = 0;
   int nilai;
   int jumlah;
   char b;
        a: cout    << endl
        << "***********************************************************" << endl
        << "*Masukkan Jumlah Jualan Anda                              *" << endl
        << "*Anda Boleh Memilih Dari Salah Satu Pilihan Di Bawah:     *" << endl     //welcome msg i written it in my language
        << endl << "*1 Jika Jumlah Anda 5000 Pilih Opsyen Ini                 *"   //1st option for the user
        << endl << "*2 Jika Jumlah Anda 6000 Pilih Opsyen Ini                 *"   //2nd option
        << endl << "*3 Jika Jumlah Anda 7000 Pilih Opsyen Ini                 *"    //3rd option
        << endl << "*4 Jika Jumlah Anda Lebih Dari 7000 Pilih Opsyen Ini      *" << endl //4th option
        << endl << "*Masukkan Pilihan Anda:                                   *" << endl;

    cin >> choice; //where user key in the input



   switch(choice)
   {
      case 1: cout << endl << "Gaji Anda Ialah RM 650"
                   << endl;
              break;
      case 2: cout << endl << "Gaji Anda Ialah RM 740"
                   << endl;
              break;
      case 3: cout << endl << "Gaji Anda Ialah RM 830"
                   << endl;
              break;
      case 4: cout << endl << "Masukkan Jumlah Jualan Anda \n ";
              cin  >> nilai;

              if (nilai > 0)
              jumlah=nilai/100*9+200;
              cout << "Gaji Anda Ialah: \n RM";
              cout << jumlah;

              break;
      default: cout << endl <<"Anda Telah Memasukkan Pilihan Yang Salah."
                    << endl;
   }
              cout<<"\n****************************************************\n";
              cout<<"\nAdakah Anda Ingin Teruskan Aplikasi?[y/n]:"; //asking whether user wants to quit or not
              cin>>b;
              if(b=='y'||b== 'Y')
              goto a;
              else
              return 0;


}

what i want to do is that assigning a quit key before the user key in any optionthat had been given.if can where should i put it?tried the swith but both default interfered with one another.

Originally posted by vVv
I don't understand your problem. Maybe make choice a ``char''

Code:

cin >> choice; //where user key in the input
if( choice == 'q' )
  return 0;

And then replace the switch cases through ascii digits (case '1', case '2', etc).

how do i set through ascii?


whenevr i set q as my quit button
the program suddenly loop continously until i click the x button

waht if i want to print out the output?what is the code?and i heard about "black window" what is that?from what i've heard it got something to do with printing and a code,if theres such a thing what is it?