VB.NET 取目錄下所有檔案(含多層目錄+檔案)

引用來源
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Imports System.IO

'''

''' This class contains directory helper method(s).
'''
Public Class FileHelper

    '''

    ''' This method starts at the specified directory, and traverses all subdirectories.
    ''' It returns a List of those directories.
    '''
    Public Shared Function GetFilesRecursive(ByVal initial As String) As List(Of String)
' This list stores the results.
Dim result As New List(Of String)

' This stack stores the directories to process.
Dim stack As New Stack(Of String)

' Add the initial directory
stack.Push(initial)

' Continue processing for each stacked directory
Do While (stack.Count > 0)
   ' Get top directory string
   Dim dir As String = stack.Pop
   Try
' Add all immediate file paths
result.AddRange(Directory.GetFiles(dir, "*.*"))

' Loop through all subdirectories and add them to the stack.
Dim directoryName As String
For Each directoryName In Directory.GetDirectories(dir)
   stack.Push(directoryName)
Next

   Catch ex As Exception
   End Try
Loop

' Return the list
Return result
    End Function

End Class

Module Module1

    '''

    ''' Entry point that shows usage of recursive directory function.
    '''
    Sub Main()
' Get recursive List of all files starting in this directory.
Dim list As List(Of String) = FileHelper.GetFilesRecursive("C:\Users\Sam\Documents\Perls")

' Loop through and display each path.
For Each path In list
   Console.WriteLine(path)
Next

' Write total number of paths found.
Console.WriteLine(list.Count)
    End Sub

End Module