It doesn't slow down - just the display stops refreshing.
Unfortunately it appears to happen at random, and never when I have a break point!

I'm goint to try the inkey suggestion.



>Tried following it in debug? Put the break at roughly the point so many iterations into the loop where it seemsto slow down.
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>>I have a process that runs for a few minutes, displaying a thermometer to show progress. Every now and then the display appears to "freeze" and there is no visual indication that anything is happening. However, the processing continues and finishes in the usual time. At the end of the process the screen returns to normal.
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>>I would really like to know why this happens, and how to avoid it.
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>>(This is a vfp7 application).