characters entered when numbers wanted

[jmiller]

How do you check that when i use cin to get a number, the user doesn't enter a character? when this happens, the screen goes crazy, and i'd like to protect against this.

thanks,
jmiller

[CornedBee]

The screen goes crazy?

int i;
cin >> i;
if(cin.good())
  // i contains a valid value
else
  // i doesn't contain a valid value

If it's not valid you'll have to clear cin's input buffer. I posted a line of code that does this a few days ago.

[Darkwraith]

It gets stuck on the character, and then application goes nuts because it does not like the character.

[RabidChimp]

Whoa never heard of cin.good, well i guss u learn something new every day. jMiller check this page out, u'll find some pretty interesting functions.
http://vbforums.com/showthread.php?s=&threadid=228450

[CornedBee]

And another thread which is more interesting for your problem.
http://www.vbforums.com/showthread.p...ghlight=ignore