Terry, IMHO you are 'way overcomplicating this.

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1) Copy Chart Area and Paste Special to report (all cached)
2) Copy Chart Area, Save as BMP, and append general (Cache and Disk a record for each chart)
3) Copy Chart Area, make it an object (DEFINE WINDOW) and modify general (cached and disk but would only need a one record GENERAL field)
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#3 works perfectly well and has for ages.

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If we could automate VFP, like we do Excel (maybe we can) -and drive the menus it would be great but the VFP Object does not present (or so it seemed) methods or properties to do this.
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Then what's SYS(1500) (also been around for ages) <s>?

However, it's irrelevant here.

#3 works well, does not write to disk, and does not require any interactive action or user intervention or menu handling, during a report run.

>L<