by Ascher Stefan (8 Submissions)
Category: Files/File Controls/Input/Output
Compatability: Visual Basic 5.0
Difficulty: Unknown Difficulty
Originally Published: Tue 15th February 2000
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
This code recursively searchs a given directory with all his subdirectories and puts the found filenames in a ListView ("lvFiles")
API Declarations
Private Const FILE_ATTRIBUTE_HIDDEN = &H2
Private Const FILE_ATTRIBUTE_SYSTEM = &H4
Private Const FILE_ATTRIBUTE_DIRECTORY = &H10
Private Const FILE_ATTRIBUTE_ARCHIVE = &H20
Private Const FILE_ATTRIBUTE_NORMAL = &H80
Private Const FILE_ATTRIBUTE_TEMPORARY = &H100
Private Const FILE_ATTRIBUTE_COMPRESSED = &H800
Private Declare Function FindFirstFile Lib "kernel32" Alias "FindFirstFileA" _
(ByVal lpFileName As String, lpFindFileData As WIN32_FIND_DATA) As Long
Private Declare Function FindNextFile Lib "kernel32" Alias "FindNextFileA" _
(ByVal hFindFile As Long, lpFindFileData As WIN32_FIND_DATA) As Long
Private Declare Function FindClose Lib "kernel32" (ByVal hFindFile As Long) As Long
VBcoders
Screen.MousePointer = 11
Dim li As ListItem
Dim WFD As WIN32_FIND_DATA
Dim hFile As Long, fPath As String, fName As String
fPath = AddBackslash(Path)
fName = fPath & "*.*"
'Wir wollen hier mal alle Dateien im angegebenen Verzeichnis suchen.
hFile = FindFirstFile(fName, WFD)
If (hFile > 0) And ((WFD.dwFileAttributes And FILE_ATTRIBUTE_DIRECTORY) <> FILE_ATTRIBUTE_DIRECTORY) Then
Set li = lvFiles.ListItems.Add(, , fPath & StripNulls(WFD.cFileName))
End If
While FindNextFile(hFile, WFD)
'Solange "FindNextFile" ausfuehren, bis keine Datei mehr gefunden wird, also hFile 0 ist.
If ((WFD.dwFileAttributes And FILE_ATTRIBUTE_DIRECTORY) <> FILE_ATTRIBUTE_DIRECTORY) Then
Set li = lvFiles.ListItems.Add(, , fPath & StripNulls(WFD.cFileName))
End If
Wend
If SubFolder Then
'Wenn gewuenscht, dann werden hier alle Unterverzeichnisse durchsucht.
hFile = FindFirstFile(fName, WFD)
If (hFile > 0) And ((WFD.dwFileAttributes And FILE_ATTRIBUTE_DIRECTORY) = FILE_ATTRIBUTE_DIRECTORY) And _
StripNulls(WFD.cFileName) <> "." And StripNulls(WFD.cFileName) <> ".." Then
'Das ist nun der rekursive Aufruf, die Funktion ruft sich selbst mit neuen Argumenten
'(in diesem Fall das Unterverzeichnis als "Path") auf.
GetFiles fPath & StripNulls(WFD.cFileName), True
End If
While FindNextFile(hFile, WFD)
If ((WFD.dwFileAttributes And FILE_ATTRIBUTE_DIRECTORY) = FILE_ATTRIBUTE_DIRECTORY) And _
StripNulls(WFD.cFileName) <> "." And StripNulls(WFD.cFileName) <> ".." Then
'Wie oben, hier werden alle weiteren Unterverzeichnisse durchsucht
GetFiles fPath & StripNulls(WFD.cFileName), True
End If
Wend
End If
FindClose hFile
Set li = Nothing
Screen.MousePointer = 0
End Sub
Private Function StripNulls(f As String) As String
'Schneidet einen String nach dem ersten "Chr$(0)" ab, und gibt ihn zurueck.
StripNulls = Left$(f, InStr(1, f, Chr$(0)) - 1)
End Function
Private Function AddBackslash(S As String) As String
'Fuegt zu einem String einen abschiessenden Backslash hinzu, wenn notwendig.
If Len(S) Then
If Right$(S, 1) <> "\" Then
AddBackslash = S & "\"
Else
AddBackslash = S
End If
Else
AddBackslash = "\"
End If
End Function
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