Using Win32 functions in Visual FoxPro Image Gallery
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Converting an integer value to a hexadecimal string
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Scanning the hierarchy of child windows down from the main VFP window
Start an executable from VFP application by using the CreateProcess
StrDup returns a pointer to the duplicate of a source VFP string
The SQLGetProp() creates a bridge between Visual FoxPro and the ODBC API
Using Change Notification Objects to monitor changes to the printer or print server
Using IsChild() for testing ThisForm.ShowWindow property
Validating the heap of the calling process
Accessing examples contained in this reference from a VFP application
Accessing LSA Policy object (Local Security Authority)
Converting twips to pixels and vice versa
Displaying the drive type value
Drawing Windows frame controls using the DrawFrameControl function
Enumerating connections made to a shared resource for the local computer (WinNT only)
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: 54  
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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