In addition, making periodic calls to SYS(1104) (present but undocumented in VFP6, and documented and supported under VFP7) and explicitly adjusting the values for SYS(3050) may be of use. There are also excellent discussions of garbage collection techniques discussed on the Wiki.

Yes, that's kind of the way I do my cleanup. sys(1104) is a good one, I was looking for one like this for a long time and did not realize its *apperance* in 7 - Thanks Ed