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  • Error codes
  • Files compressed with the earlier WINDEV versions
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Stored procedures
Decompresses a file that was compressed by fCompress.
Versions 18 and later
Universal Windows 10 App This function is now available in Windows Store apps mode.
New in version 18
Universal Windows 10 App This function is now available in Windows Store apps mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
// Decompress a file
ResDecompress = fUncompress("C:\MyDirectories\CompressedFile.txt", ...
"C:\MyDirectories\DecompressedFile.txt")
Syntax
<Result> = fUncompress(<Path of file to decompress> [, <Path of decompressed file>])
<Result>: Integer
  • 0 if the decompression was performed,
  • an error code (value greater than 0) otherwise. The message corresponding to the error code is returned by ErrorInfo associated with the errMessage constant.
<Path of file to decompress>: Character string (with quotes)
Name and full (or relative) path of file to decompress (up to 260 characters). A UNC path can be used. This file must have been compressed by fCompress.
<Path of decompressed file>: Optional character string (with quotes)
The following cases are supported:
  • To decompressed a file under a given name and in a given directory:
    Name and full (or relative) path of the decompressed file (up to 260 characters). A UNC path can be used.
  • To decompressed a file under a its initial name (before compression) and in a given directory:
    Directory (string ending with "\" or ":") of the decompressed file (up to 260 characters). A UNC path can be used.
  • If this parameter is not specified:
    The file is decompressed under its name and in its source directory (before compression). Caution: The source directory must exist.
Remarks

Error codes

The following error codes are returned:
  • 1: The file to decompress cannot be opened.
  • 2: Unable to create the decompressed file. This error occurs:
    • if <Path of file to decompress> and <Path of decompressed file> are identical,
    • if the directory of <Path of decompressed File> does not exist.
  • 3: The file to decompress was not compressed by fCompress.
  • 4: The file cannot be decompressed: the file is copied.
  • 6: The decompress operation was canceled by the user: fStopCompress was not run.
  • 7: Insufficient space to create the decompressed file.
The message corresponding to the error code is returned by ErrorInfo associated with the errMessage constant.

Files compressed with the earlier WINDEV versions

fUncompress can be used to decompress files compressed with the earlier versions of WINDEV and WEBDEV.
Component : wd250std.dll
Minimum version required
  • Version 9
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