File Directory VB.Net

Imports System.IO
Imports System.Xml.Linq
Module Module1
    Sub Main()
            Dim files = From chkFile In Directory.EnumerateFiles("c:\", "*.txt", _
                                                 SearchOption.AllDirectories)
                        From line In File.ReadLines(chkFile)
                        Where line.Contains("is")
                        Select New With {.curFile = chkFile, .curLine = line}
            For Each f In files
                Console.WriteLine("{0}\t{1}", f.curFile, f.curLine)
            Next
      Console.WriteLine("{0} files found.",files.Count.ToString())
    End Sub
End Module