# Function Reference

# _WinAPI_PathCommonPrefix

Compares two paths to determine if they share a common prefix

#include <WinAPIShPath.au3>
_WinAPI_PathCommonPrefix ( $sPath1, $sPath2 )

## Parameters

$sPath1 | The first path name.
$sPath2 | The second path name.

## Return Value

Returns the common prefix, @extended flag will contain the count of common prefix characters in the path.

## See Also

Search PathCommonPrefix in MSDN Library.

## Example

    #include <WinAPIShPath.au3>

    Local $sPath1 = 'C:\Documents\Test.txt'
    Local $sPath2 = 'C:\Documents\Archive\Sample.txt'

    ConsoleWrite('Path1 : ' & $sPath1 & @CRLF)
    ConsoleWrite('Path2 : ' & $sPath2 & @CRLF)
    ConsoleWrite('Prefix: ' & _WinAPI_PathCommonPrefix($sPath1, $sPath2) & @CRLF)