Using Win32 functions in Visual FoxPro Image Gallery
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Deleting files into the Recycle Bin
Drawing standard Windows icons
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Obtaining MAC address through Address Resolution Protocol (ARP) request
Obtaining physical parameters for a drive: sectors, clusters, cylinders...
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Quering waveform-audio output devices
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Winsock: initializing the service in the VFP application
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Basic Volume information
Creating an Open dialog box to specify the drive, directory, and name of a file to open (Shell32 version)
Enumerating print processors and supporting data types installed on the specified server
Enumerating printer drivers installed
Enumerating raw input devices attached to the system (keyboard, mouse, human interface device)
Enumerating servers of the specified type (e.g. SQL Server) in the primary domain
Finding out if the current user is the Guest account
GDI+: custom Clock Control
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: 11  
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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