Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
The DetectAutoProxyUrl function identifies the auto-config script location
Using the GetTempFileName
Displaying standard progress dialog box when copying files
Enumerating ODBC drivers available on the local computer
Exporting DLL icon resources as .ICO files
FindText -- the hopeless and useless Common Dialog
GDI+: sending image of FoxPro form to printer
How to disable the Windows Clipboard (VFP9)
How to display the Print property sheet
How to display the Properties dialog box for a file (ShellExecuteEx)
How to play MIDI notes
Obtaining heap handles and enumerating memory blocks for the current VFP session (WinNT only)
Retrieving list of files on the FTP directory
Retrieving local computer and user names
Retrieving the command line for the VFP session
Saving local machine ODBC Registry Entries to XML file
Simple printer queue monitor: deletes, pauses, resumes print jobs for local printer
Winsock: retrieving the standard host name and IP address for the local machine
Accessing examples contained in this reference through Web Services
Clipping mouse cursor area
DiskFreeSpace class
Drawing Windows frame controls using the DrawFrameControl function
Enumerating printer drivers installed
GDI+: rotating images using matrix transformations
Changing file attributes

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LPARAMETERS  lpFileName

#DEFINE FILE_ATTRIBUTE_READONLY       1  
#DEFINE FILE_ATTRIBUTE_HIDDEN         2  
#DEFINE FILE_ATTRIBUTE_SYSTEM         4  
#DEFINE FILE_ATTRIBUTE_DIRECTORY     16  
#DEFINE FILE_ATTRIBUTE_ARCHIVE       32  
#DEFINE FILE_ATTRIBUTE_NORMAL       128  
#DEFINE FILE_ATTRIBUTE_TEMPORARY    512  
#DEFINE FILE_ATTRIBUTE_COMPRESSED  2048  

DECLARE SHORT SetFileAttributes IN kernel32;
    STRING lpFileName, INTEGER dwFileAttributes

DECLARE INTEGER GetFileAttributes IN kernel32 STRING lpFileName 

* read current attributes for this file
dwFileAttributes = GetFileAttributes (lpFileName)

IF dwFileAttributes = -1
* the file does not exist
    RETURN
ENDIF

IF dwFileAttributes > 0
    * read-only attribute to be set
    dwFileAttributes = BitOr(dwFileAttributes, FILE_ATTRIBUTE_READONLY)

    * archive attribute to be removed
    IF BitAnd(dwFileAttributes, FILE_ATTRIBUTE_ARCHIVE) = FILE_ATTRIBUTE_ARCHIVE
        dwFileAttributes = dwFileAttributes - FILE_ATTRIBUTE_ARCHIVE
    ENDIF

    * setting selected attributes
    = SetFileAttributes (lpFileName, dwFileAttributes)
ENDIF


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1120 bytes  
Created: 2001-08-14 12:00:00  
Modified: 2007-08-02 14:45:37  
Visits in 7 days: 65  
Listed functions:
GetFileAttributes
SetFileAttributes
Printer friendly API declarations
My comment:
Pass a file name to this procedure. This code sets read-only and clears archive attributes for the selected file.

DOS command ATTRIB can be used for the same purpose:
ATTRIB -R c:\mydir\*.* /S
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