Function GetFiles($folder)
{
   Write-Host "+"$folder.Name
   foreach($file in $folder.Files)
   {
       Write-Host "`t" $file.Name
   }

   # Use recursion to loop through all subfolders.
   foreach ($subFolder in $folder.SubFolders)
   {
       Write-Host "`t" -NoNewline
       GetFiles($Subfolder)
   }
 }