Hi Bruce,

I don't have a web site so I'm not sure what web site you're refering to. :)
The message I pointed you to is about VFP and unsigned integers, not about GetFileSize, per se. Please take a close look at it again.

>
>I've tried using the GetFileSize api and it is not giving the results that I expect. Here are snippets of my code, mostly from samples on your website :-)
>
>This is the code in the prg based class:
>

>#DEFINE MAX_INT 0x100000000
>PROTECTED pnFileSize
>LOCAL ppFileInformation
>
>ppFileInformation = REPLICATE(CHR(0), 53)
>
>IF GetFileAttributesEx (tcFile, 0, @ppFileInformation) != 0
>	tcFileSizeHi = SUBSTR( ppFileInformation, 29, 4 )
>	tcFileSizeLo = SUBSTR( ppFileInformation, 33, 4 )
>
>    	threadFreeLo = THIS.buf2dword ( tcFileSizeLo )
>        threadFreeHi = THIS.buf2dword ( tcFileSizeHi )
>	This.pnFileSize  = THIS.getLargeInt( threadFreeLo, threadFreeHi )
>ENDIF
>
>FUNCTION getFileSize()
>	RETURN This.pnFileSize
>ENDFUNC
>
>PROTECTED FUNCTION getLargeInt (tnlowValue, tnhighValue )
>        RETURN MAX_INT * tnhighValue + tnlowValue
>ENDFUNC
>
>

>
>I call this class by:
>

>loFileAttributes = CreateObject ("fileAttributes", tcFile )
>? "File Size = ", loFileAttributes.getFileSize()
>

>
>The PRG Class Returns: "File Size = 11417657818"
>
>Here is the VCX based class code:
>
>

>
>SET CLASSLIB TO ..\classes\mathconversions.vcx
>This.oMath = CREATEOBJECT( 'mathconversions' )
>
>LOCAL lcFileSizeHi, lcFileSizeLo
>lcFileInformation = REPLICATE(CHR(0), WIN32_FILE_ATTRIBUTE_DATA_LEN )    
>&& NULL terminated buffer that emulates the WIN32_FILE_ATTRIBUTE_DATA Structure
>
>IF GetFileAttributesEx( tcFile, 0, @lcFileInformation ) != 0
>
>	lcFileSizeHi = SUBSTR( lcFileInformation, 29, 4 )
>	lcFileSizeLo = SUBSTR( lcFileInformation, 33, 4 )
>
>	lnFileSizeLo = This.oMath.buf2dword( lcFileSizeLo )
>        lnFileSizeHi = This.oMath.buf2dword( lcFileSizeHi )
>        lnFileSize = THIS.oMath.getLargeInt( lnFileSizeHi, lnFileSizeLo )
>	This.pnFileSize = THIS.oMath.getLargeInt( lnFileSizeHi, lnFileSizeLo )
>
>ENDIF
>
>getFilesize method:
>RETURN This.pnFileSize
>

>
>I call this class by:
>

>SET CLASSLIB TO fileattributes
>oFile = CREATEOBJECT( 'getfileattributes', 'filename here' )
>
>?oFile.getFilesize()
>
>

>
>The VCX Class Returns: 1.2144978777809600E+19
>
>So any ideas of what the difference is?
>
>Thanks!