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Return Keyboard Hex Value

Posted on 2004-09-01
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Last Modified: 2009-07-29
The following code (provided by bcladd on my last question) will return the value of any key pressed.  How do I get the program to return the hexadecimal value when a key is pressed instead (0x00 etc)?  As always, I appreciate any and all help.  Too bad they didn't award point for ASKING questions...  I'd be in the lead :-)

#include <conio.h>
using namespace std;

int main()
{
  char ch;
  while (ch = getch()) {

    cout << (int)ch << endl;
    if (ch == 'X') break;
  }
  return 0;
}

Regards,
Tony
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Question by:fattumsdad
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3 Comments
 
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Expert Comment

by:bcladd
ID: 11952899
How about

#include <iomanip>

and change the cout to

cout << hex << (int)ch << endl;

-bcl
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LVL 11

Expert Comment

by:bcladd
ID: 11952917
Or, if you want the 0x:

cout << "0x" << hex << (int)ch << endl;

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Accepted Solution

by:
bcladd earned 300 total points
ID: 11953046
Last followup to my own stuff, I promise:

    cout << "0x" << setfill('0') << setw(2) << hex << (int)ch << endl;

Prints the leading zero for numbers less than 0x10

-bcl
0

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