measure acuracy 1/1000 sec from fixpoint to keystroke

[Thomas R.]

Hi

i need a routine that measure the time from a fixpoint

to the hit a key on the keyboard with accuracy of 1/1000 second.

I work with macromedia.Do u know an xtra that do the job?

Or are u able to do the job in MS-Visualbasic or MS-Visual c++

or in kind of an dll what ever? Please peply.

Thomas