Poly / Cut itself

Hi folks!

( difficult to descibe....)

when I play a piano in reality and press (with sustain pedal down) the same key a few times, there will still be only one voice, I mean, the same note == one string == monophone.

when I do this using directwave, I get a number of voices, which are played simultaneously: this is not realistic, and eats a lot of cpu.

So, is there an option to emulate that behaviour of a real piano, an option like "cut-itself" known from the FL internal sampler?

cheers, stefan