查找指定文件夹下面的所有文件和其子目录下的文件

''=============================================
''名称: FindPath
''作用: 查找指定文件夹下面的所有文件和其子目录下的文件
''参数：strPath 要查找的目录，
''      strFiles 用于存查找结果的缓冲区，String 类型的动态数组，调用时事先初始化， 如Redim strFiles(0)
''      FileCount 用于返回文件个数
''=============================================
Public Sub FindPath(ByVal strPath As String, strFiles() As String, FileCount As Long)
Dim strDirs()   As String
Dim strResult   As String
Dim FileLimit   As Long
Dim dirLimit    As Long
Dim dirCount    As Long
Dim I           As Long
    
    FileLimit = UBound(strFiles) + 1
    dirLimit = 0
    If Right$(strPath, 1) <> "\" Then strPath = strPath & "\"
    strResult = Dir(strPath, vbDirectory + vbSystem + vbReadOnly + vbHidden + vbNormal + vbArchive)
    Do While Len(strResult) > 0
        If strResult <> "." And strResult <> ".." Then
            If (GetAttr(strPath & strResult) And vbDirectory) <> vbDirectory Then
                If FileCount >= FileLimit Then
                    ReDim Preserve strFiles(FileLimit + 10)
                    FileLimit = FileLimit + 10
                End If
                strFiles(FileCount) = strPath & strResult
                FileCount = FileCount + 1
            Else
                If dirCount >= dirLimit Then
                    ReDim Preserve strDirs(dirLimit + 10)
                    dirLimit = dirLimit + 10
                End If
                strDirs(dirCount) = strPath & strResult
                dirCount = dirCount + 1
            End If
        End If
        strResult = Dir(, vbDirectory + vbSystem + vbReadOnly + vbHidden + vbNormal + vbArchive)
    Loop
    
    For I = 0 To dirCount - 1
        Call FindPath(strDirs(I), strFiles, FileCount)
    Next I
End Sub