Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Returning some basic information for the specified INF file
Saving available locale records into a cursor
Setting the mouse capture to the specified window
Switching between keyboard layouts
Time in milliseconds represented as string (e.g. 1 hour 24 min 36 sec)
Using FlashWindowEx to flash the taskbar button of the VFP application
Using the CreateFile
Winsock: reading and setting socket options
An alternative way of setting Form.Closable to False
Connecting a local device to a network resource
Creating an Open dialog box to specify the drive, directory, and name of a file to open (Shell32 version)
Disabling mouse and keyboard input for the main VFP window (with the app still running)
How to enable the SE_SHUTDOWN_NAME privilege for the application
How to enumerate logon sessions on local computer
How to retrieve network parameters for the local computer (including Host name, Domain name, and DNS Server)
How to save registry key including its subkeys and values to a file
Minimizing all running applications
Opening access to the Microsoft Internet functions for the application
Reading parameters of streams in AVI file
Reading the state of mouse buttons within DO WHILE loop
Retrieveing general information about the driver and data source associated with an ODBC connection
Retrieving list of available disk drives
Retrieving local computer and user names
Retrieving the IP-to-physical address mapping table
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: 30  
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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