Const FILE_ATTRIBUTE_ARCHIVE = &H20
Const FILE_ATTRIBUTE_DIRECTORY = &H10
Const FILE_ATTRIBUTE_HIDDEN = &H2

'Create a form with a command button (command1), a list box (list1)
'and four text boxes (text1, text2, text3 and text4).
'Type in the first textbox a startingpath like c:\
'and in the second textbox you put a pattern like *.* or *.txt

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 GetFileAttributes Lib "kernel32" Alias "GetFileAttributesA" _
(ByVal lpFileName As String) As Long
Private Declare Function FindClose Lib "kernel32" (ByVal hFindFile As Long) As Long

Const MAX_PATH =  260 
Const MAXDWORD = &HFFFF
Const INVALID_HANDLE_VALUE = - 1 
Const FILE_ATTRIBUTE_ARCHIVE = &H20
Const FILE_ATTRIBUTE_DIRECTORY = &H10
Const FILE_ATTRIBUTE_HIDDEN = &H2
Const FILE_ATTRIBUTE_NORMAL = &H80
Const FILE_ATTRIBUTE_READONLY = &H1
Const FILE_ATTRIBUTE_SYSTEM = &H4
Const FILE_ATTRIBUTE_TEMPORARY = &H100

Private Type FILETIME
    dwLowDateTime As Long
    dwHighDateTime As Long
End Type

Private Type WIN32_FIND_DATA
    dwFileAttributes As Long
    ftCreationTime As FILETIME
    ftLastAccessTime As FILETIME
    ftLastWriteTime As FILETIME
    nFileSizeHigh As Long
    nFileSizeLow As Long
    dwReserved0 As Long
    dwReserved1 As Long
    cFileName As String * MAX_PATH
    cAlternate As String *  14 
End Type
Function StripNulls(OriginalStr As String) As String
    If (InStr(OriginalStr, Chr( 0 )) >  0 ) Then
        OriginalStr = Left(OriginalStr, InStr(OriginalStr, Chr( 0 )) -  1 )
    End If
    StripNulls = OriginalStr
End Function

Function FindFilesAPI(path As String, SearchStr As String, FileCount As Integer, DirCount As Integer)
'KPD-Team 1999
'E-Mail: KPDTeam@Allapi.net
'URL: http://www.allapi.net/

Dim FileName As String ' Walking filename variable...
Dim DirName As String ' SubDirectory Name
Dim dirNames() As String ' Buffer for directory name entries
Dim nDir As Integer ' Number of directories in this path
Dim i As Integer ' For-loop counter...
Dim hSearch As Long ' Search Handle
Dim WFD As WIN32_FIND_DATA
Dim Cont As Integer
    If Right(path,  1 ) <> "\" Then path = path & "\"
    ' Search for subdirectories.
    nDir =  0 
    ReDim dirNames(nDir)
    Cont = True
    hSearch = FindFirstFile(path & "*", WFD)
    If hSearch <> INVALID_HANDLE_VALUE Then
        Do While Cont
            DirName = StripNulls(WFD.cFileName)
            ' Ignore the current and encompassing directories.
            If (DirName <> ".") And (DirName <> "..") Then
            ' Check for directory with bitwise comparison.
                If GetFileAttributes(path & DirName) And FILE_ATTRIBUTE_DIRECTORY Then '
                    dirNames(nDir) = DirName
                    DirCount = DirCount +  1 
                    nDir = nDir +  1 
                    ReDim Preserve dirNames(nDir)
                End If
            End If
            Cont = FindNextFile(hSearch, WFD) 'Get next subdirectory.
        Loop
        Cont = FindClose(hSearch)
    End If
    ' Walk through this directory and sum file sizes.
    hSearch = FindFirstFile(path & SearchStr, WFD)
    Cont = True
    If hSearch <> INVALID_HANDLE_VALUE Then
        While Cont
            FileName = StripNulls(WFD.cFileName)
            If (FileName <> ".") And (FileName <> "..") Then
                FindFilesAPI = FindFilesAPI + (WFD.nFileSizeHigh * MAXDWORD) + WFD.nFileSizeLow
                FileCount = FileCount +  1 
                Form1.List1.AddItem path & FileName
            End If
            Cont = FindNextFile(hSearch, WFD) ' Get next file
        Wend
        Cont = FindClose(hSearch)
    End If
    ' If there are sub-directories...
    If nDir >  0  Then
    ' Recursively walk into them...
    For i =  0  To nDir -  1 
        FindFilesAPI = FindFilesAPI + FindFilesAPI(path & dirNames(i) & "\", SearchStr, FileCount, DirCount)
    Next i
End If
End Function
'========================================
Private Sub Command14_Click()
    Dim SearchPath As String, FindStr As String
    Dim FileSize As Long
    Dim NumFiles As Integer, NumDirs As Integer
        Screen.MousePointer = vbHourglass
        List1.Clear
        SearchPath = Text1.Text
        FindStr = Text2.Text
        FileSize = FindFilesAPI(SearchPath, FindStr, NumFiles, NumDirs)
        Text3.Text = NumFiles & " Files found in " & NumDirs +  1  & " Directories"
        Text4.Text = "Size of files found under " & SearchPath & " = " & Format(FileSize, "#,###,###,##0") & " Bytes"
        Screen.MousePointer = vbDefault
End Sub