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Stored procedures
Used to find out if a data file exists, i.e. if it has been physically created (<Source>.Creation or <Source>.CreationIfNotFound).
Remark: The substitutions currently performed on the data file (by HSubstDir, <Source>.ChangeDir and <Source>.ChangeName) are taken into account.
Example
// Check whether the "Customer" data file exists
IF Customer.FileExist() = True THEN
// Processes
...
END
Syntax

Checking the existence of a data file, query or view Hide the details

<Result> = <Source>.FileExist()
<Result>: Boolean
  • True if the physical file exists,
  • False otherwise.
<Source>: Type corresponding to the specified source
Name of the element to be used:
  • Name of data file.
  • Name of view or query.
Remarks
  • <Source>.FileExist can be used whether the file is open or closed.
  • <Source>.FileExist does not open the data file if it is closed.
Component: wd280hf.dll
See also
Minimum version required
  • Version 25
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