Re: How to make a fla****ng light?

In article <slrnfv40ns.ii1.jim@[EMAIL PROTECTED]
>,
 Jim <jim@[EMAIL PROTECTED]
> wrote:

> In my ongoing attempt to learn Cocoa my next wee project is going to be
a
> 'is the internet up?' type app. Basically it will send a single ping
packet
> to three addresses once every n-seconds (say 120) and *****s the
results.
> 
> That part isn't a problem.
> 
> As part of the results I want a graphic of a fla****ng LED. Red for
'Internet
> is down', green for 'Internet is up'. My question is this: how do I make
it
> flash? The method I'm considering is to have an NSTimer that fires every
2
> seconds and calls a method that toggles the graphic between whatever two
of
> the three graphics are appropriate - RedLED on, GreenLED on, LED off.
> 
> Or is there a better way?

That'll work fine.