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HCheckUnaltered (Function) In french: HVérifieInaltéré
  Available only with these kinds of connection
Checks whether one or all records in an unalterable data file have not been modified (with an hexadecimal editor for example). Caution: - This function is available from version 23. For Client/Server files, the HFSQL Client/Server engine must be in version 23 (or later).
- An altered record can be read if the record header is not altered.
// Check all records found in MyCustomerFile
IF HCheckUnaltered(MyCustomerFile) = True THEN
Trace("No record was modified")
ELSE
Trace("The file was altered")
END
Syntax
<Result> = HCheckUnaltered(<Data file> [, <Record> [, <Progress Bar>]])
<Result>: Boolean - True if the record was not altered,
- False otherwise. In this case, ErrorInfo returns the list of altered records.
<Data file>: Character string Name of the HFSQL data file to check. <Record>: Optional integer or Integer constant - Number of the record to check.
- Constant used to specify the record to check:
| | | hCurrentRecNum | Check the current record. | hRecNumAll
(Default value) | Check all records. |
<Progress Bar>: Optional control name or window name - Name of the window in which the progress bar will be displayed.
- Name of the Progress Bar control.
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