TZF - TZ : Save a singel record

Hallo Topaz-Users

I want to copy a single  record of a TzDbf into the memory. How can I do
that.
The idea is: I have a record A, copy the record to memory, change the record
A.
If the mocification is wrong, I want to discard the changes and copy the
record in memory back to the memory A.

Thanks for help.

Pierre Wittwer
Stans, Switzerland.

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