Hi, this looks like a strange thing! > However, this is a huge problem, since BeOS will > run out of memory when creating more then about > 130 sliders. Do you mean BSlider or BContinuousParameter? > Obviously, app_server create a huge number of threads when there > controls are created, > and runs out of stack space (every thread uses 256 kB) Ok, I dont' know the differences between Bslider and BContinuousParameter.. but why there are a huge number of threads to manage some UI elements? > 3. Comments? Using only one thread to manage all the slider? (Blooper) ciao, Andrea