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Scan Endscan pitfall (phantom movement of record pointer)
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Forum:
Visual FoxPro
Category:
Troubleshooting
Title:
Scan Endscan pitfall (phantom movement of record pointer)
Miscellaneous
Thread ID:
01244072
Message ID:
01244072
Views:
68
Steps for this reproducible problem are:
- Grid connected to table
- text box in Column in grid has focus
- Rightclick in column, initiate procedure from a context menu
- procedure does Scan ALL on _same_ table as in grid, using same workarea
- during scan loop, after so many records process, pop up a modal VFP form telling user "That's X done so far, keep going?", and get a button click from user
- little known to me: when modal form closes, activeform and activecontrol (apparently) revert back to the prior form and the grid; grid gets focus; result: record pointer moves back to record where the rightclick was done; scan loop behaves weirdly; can't figure out why, as there is no visible clue this is happening
- oddly, this resetting of the record pointer only happens the first time the modal form is shown; times after that, no effect

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