On Monday 02 August 2004 11:56, Robert Klemme wrote: > I have added a GC.disable before I enter the critical area.. and after leaving the area I do a GC.enable. Now the timing is much more consistent. If I don't do so, then GC begin cleaning up and causes that the operation often takes 100 miliseconds extra. Thansk for your suggestion.. It helped. -- Simon Strandgaard