'遍历主函数
'参数说明:
' strPathName 要遍历的目录
' objList 使用VB的内部控件ListBox来存放遍历得到的路径，之所以
' 不使用字符串数组是因为数组大小不好定义
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Public Sub sDirTraversal(ByVal strPathName As String, ByRef objList As ListBox)
Dim sSubDir(200) As String '存放当前目录下的子目录,下标可根据需要调整
Dim iIndex As Integer '子目录数组下标
Dim i As Integer '用于循环子目录的查找
Dim lHandle As Long 'FindFirstFileA 的句柄
Dim tFindData As WIN32_FIND_DATA '
Dim strFileName As String '文件名
On Error Resume Next
'初始化变量
i = 1
iIndex = 0
tFindData.cFileName = "" '初始化定长字符串
lHandle = FindFirstFile(strPathName & "\*.*", tFindData)
If lHandle = 0 Then '查询结束或发生错误
Exit Sub
End If
strFileName = fDelInvaildChr(tFindData.cFileName)
If tFindData.dwFileAttributes = &H10 Then '目录
If strFileName <> "." And strFileName <> ".." Then
iIndex = iIndex + 1
sSubDir(iIndex) = strPathName & "\" & strFileName '添加到目录数组
End If
Else
objList.AddItem strPathName & "\" & strFileName
End If
'循环查找下一个文件，直到结束
Do While True
tFindData.cFileName = ""
If FindNextFile(lHandle, tFindData) = 0 Then '查询结束或发生错误
FindClose (lHandle)
Exit Do
Else
strFileName = fDelInvaildChr(tFindData.cFileName)
If tFindData.dwFileAttributes = &H10 Then
If strFileName <> "." And strFileName <> ".." Then
iIndex = iIndex + 1
sSubDir(iIndex) = strPathName & "\" & strFileName '添加到目录数组
End If
Else
objList.AddItem strPathName & "\" & strFileName
End If
End If
Loop
'如果该目录下有目录，则根据目录数组递归遍历
If iIndex > 0 Then
For i = 1 To iIndex
sDirTraversal sSubDir(i), objList
Next
End If
End Sub
方法2：不使用API，直接用VB的函数Dir 来实现
