menumfile.bas

智能邮件管理信息系统

Attribute VB_Name = "MEnumFile"
'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

Option Explicit


Public strSelFileFullName() As String
Public blnExportCancelled As Boolean

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, BlnAllDir As Boolean, lblSearching As Label)
    'KPD-Team 1999
    'E-Mail: [e-mail]
    'URL: http://www.allapi.net/

On Error GoTo ErrHandle
    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
    Dim strPath As String
    
    
    If Right(Path, 1) <> "\" Then Path = Path & "\"
    strPath = 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
                lblSearching.Caption = "正在查找文件夹:" & DirName & "..."
                lblSearching.Refresh
                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
                lblSearching.Caption = "正在查找文件:" & Filename & "..."
                lblSearching.Refresh
                AddNewFile Path & Filename
                
            End If
            Cont = FindNextFile(hSearch, WFD) ' Get next file
        Wend
        Cont = FindClose(hSearch)
    End If
    
    If BlnAllDir Then
        ' 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, BlnAllDir, lblSearching)
            Next i
        End If
    End If
    
    Exit Function
ErrHandle:
    ShowMessageBoxEx Err.Description
End Function





Function FindFileAPI(Path As String, SearchStr As String) As String
    'KPD-Team 1999
    'E-Mail: [e-mail]
    'URL: http://www.allapi.net/

On Error GoTo ErrHandle
    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
                
                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
    
    Dim str As String
    
    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
                FindFileAPI = Path & Filename
                Exit Function
            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
            FindFileAPI = FindFileAPI + FindFileAPI(Path & dirNames(i) & "\", SearchStr)
        Next i
    End If
    
    
    Exit Function
ErrHandle:
    ShowMessageBoxEx Err.Description
End Function


Public Sub FillEnumGrid(strPath As String, BlnAllDir As Boolean, strMsgType As String, lblSearching As Label)
    Dim SearchPath As String, FindStr As String
    Dim FileSize As Long
    Dim NumFiles As Integer, NumDirs As Integer
    Screen.MousePointer = vbHourglass
    
    If Not UCase(strMsgType) = UCase("all") Then
        If UCase(strMsgType) = UCase("eml") Then
            SearchPath = strPath
            FindStr = "*.eml"
            FileSize = FindFilesAPI(SearchPath, FindStr, NumFiles, NumDirs, BlnAllDir, lblSearching)
        End If
        
        If UCase(strMsgType) = UCase("msg") Then
            SearchPath = strPath
            FindStr = "*.msg"
            FileSize = FindFilesAPI(SearchPath, FindStr, NumFiles, NumDirs, BlnAllDir, lblSearching)
        End If
    Else
        SearchPath = strPath
        FindStr = "*.eml"
        FileSize = FindFilesAPI(SearchPath, FindStr, NumFiles, NumDirs, BlnAllDir, lblSearching)
    
        SearchPath = strPath
        FindStr = "*.msg"
        FileSize = FindFilesAPI(SearchPath, FindStr, NumFiles, NumDirs, BlnAllDir, lblSearching)
    End If
    Screen.MousePointer = vbDefault
End Sub



'********************************************************************************
'新增合同文件
Private Sub AddNewFile(strFileName As String)
    Dim lRow As Long
    Dim strFullName As String
    Dim strFilePath As String
    Dim ObjFileSystem As New FileSystemObject
    
    With frmLibSearch.GridFile
        strFullName = strFileName
        If ObjFileSystem.FileExists(strFullName) Then
            .AddRow
        Else
            Exit Sub
        End If
        lRow = .Rows
        
       
       strFilePath = ObjFileSystem.GetParentFolderName(strFullName)
       strFileName = ObjFileSystem.GetFileName(strFullName)
       
        
        .CellText(lRow, GridContractFileCol.strFileNO) = lRow
        .CellText(lRow, GridContractFileCol.strFileName) = strFileName
        .CellIcon(lRow, GridContractFileCol.strFileName) = IIf(InStr(1, UCase(strFileName), UCase(".eml")) > 0, frmLibSearch.m_cSysIls.ImageItemIndex("*.eml"), frmLibSearch.m_cSysIls.ImageItemIndex("*.msg"))
        
        
        .CellText(lRow, GridContractFileCol.strMemo) = IIf(InStr(1, UCase(strFileName), UCase(".eml")) > 0, "EML", "MSG")
        .CellText(lRow, GridContractFileCol.strPath) = strFilePath
        .CellText(lRow, GridContractFileCol.strFileFullName) = strFullName
        
    End With
End Sub
'********************************************************************************