# Function Reference

# _WinAPI_GetFileSizeOnDisk

Retrieves the file allocation size on disk

#include <WinAPIFiles.au3>
_WinAPI_GetFileSizeOnDisk ( $sFilePath )

## Parameters

$sFilePath | The name of the file to retrieve allocation size.

## Return Value

Success: | The allocation size, in bytes. This value is a multiple of the sector or cluster size of the specified physical device.
Failure: | 0, call _WinAPI_GetLastError() to get extended error information.

## Example

    #include <WinAPIFiles.au3>

    Local Const $sFile = @ScriptFullPath

    ConsoleWrite('Localtion:    ' & $sFile & @CRLF)
    ConsoleWrite('Size:         ' & FileGetSize($sFile) & @CRLF)
    ConsoleWrite('Size on disk: ' & _WinAPI_GetFileSizeOnDisk($sFile) & @CRLF)