Option Explicit
'--------------------------------------------------------------
'--------------Start "browse for folder" declarations------------
Private Const BIF_STATUSTEXT = &H4&
Private Const BIF_RETURNONLYFSDIRS = 1
Private Const BIF_DONTGOBELOWDOMAIN = 2
Private Const MAX_PATH = 260
Private Const WM_USER = &H400
Private Const BFFM_INITIALIZED = 1
Private Const BFFM_SELCHANGED = 2
Private Const BFFM_SETSTATUSTEXT = (WM_USER + 100)
Private Const BFFM_SETSELECTION = (WM_USER + 102)
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As String) As Long
Private Declare Function SHBrowseForFolder Lib "shell32" (lpbi As BrowseInfo) As Long
Private Declare Function SHGetPathFromIDList Lib "shell32" (ByVal pidList As Long, ByVal lpBuffer As String) As Long
Private Declare Function lstrcat Lib "kernel32" Alias "lstrcatA" (ByVal lpString1 As String, ByVal lpString2 As String) As Long
Private Declare Function GetFullPathName Lib "kernel32" Alias "GetFullPathNameA" (ByVal lpFileName As String, ByVal nBufferLength As Long, ByVal lpBuffer As String, ByVal lpFilePart As String) As Long
Private Declare Function SHGetDesktopFolder Lib "shell32.dll" (ppshf As IShellFolder) As Long
Private Type BrowseInfo
hWndOwner As Long
pIDLRoot As Long
pszDisplayName As Long
lpszTitle As Long
ulFlags As Long
lpfnCallback As Long
lParam As Long
iImage As Long
End Type
Private m_CurrentDirectory As String 'The current directory
'-----End "Browse for folder" declarations----
'-------------Handle "browser for folder dialog----------
Public Function BrowseForFolder(owner As Form, Title As String, StartDir As String) As String
'Opens a Treeview control that displays the directories in a computer
Dim lpIDList As Long
Dim szTitle As String
Dim sBuffer As String
Dim tBrowseInfo As BrowseInfo
m_CurrentDirectory = StartDir & vbNullChar
szTitle = Title
With tBrowseInfo
[b].pIDLRoot = PathToPidl("H:\")[/b] 'Put this before you set the title
.hWndOwner = owner.hwnd
.lpszTitle = lstrcat(szTitle, "")
.ulFlags = BIF_RETURNONLYFSDIRS + BIF_DONTGOBELOWDOMAIN + BIF_STATUSTEXT
.lpfnCallback = GetAddressofFunction(AddressOf BrowseCallbackProc) 'get address of function.
End With
lpIDList = SHBrowseForFolder(tBrowseInfo)
If (lpIDList) Then
sBuffer = Space(MAX_PATH)
SHGetPathFromIDList lpIDList, sBuffer
sBuffer = Left(sBuffer, InStr(sBuffer, vbNullChar) - 1)
BrowseForFolder = sBuffer
Else
BrowseForFolder = ""
End If
End Function
Private Function BrowseCallbackProc(ByVal hwnd As Long, ByVal uMsg As Long, ByVal lp As Long, ByVal pData As Long) As Long
Dim lpIDList As Long
Dim ret As Long
Dim sBuffer As String
On Error Resume Next 'Sugested by MS to prevent an error from
'propagating back into the calling process.
Select Case uMsg
Case BFFM_INITIALIZED
Call SendMessage(hwnd, BFFM_SETSELECTION, 1, m_CurrentDirectory)
Case BFFM_SELCHANGED
sBuffer = Space(MAX_PATH)
ret = SHGetPathFromIDList(lp, sBuffer)
If ret = 1 Then
Call SendMessage(hwnd, BFFM_SETSTATUSTEXT, 0, sBuffer)
End If
End Select
BrowseCallbackProc = 0
End Function
' This function allows you to assign a function pointer to a vaiable.
Private Function GetAddressofFunction(add As Long) As Long
GetAddressofFunction = add
End Function
'-------------End handle "browser for folder" dialog----------
[b]
Private Function PathToPidl(sPath As String) As Long
Dim folder As IShellFolder
Dim pidlMain As Long
Dim cParsed As Long
Dim afItem As Long
Dim lFilePos As Long
Dim lR As Long
Dim sRet As String
' Make sure the file name is fully qualified
sRet = String$(MAX_PATH, 0)
lR = GetFullPathName(sPath, MAX_PATH, sRet, lFilePos)
If lR = 0 Then
MsgBox "Error Occurred"
Else
' debug.Assert c <= cMaxPath
sPath = Left$(sRet, lR)
' Convert the path name into a pointer to an item ID list (pidl)
Set folder = GetDesktopFolder
' Will raise an error if path cannpt be found:
If 0 >= (folder.ParseDisplayName(0&, 0&, StrConv(sPath, vbUnicode), cParsed, pidlMain, afItem)) Then
PathToPidl = pidlMain
End If
End If
End Function
Private Function GetDesktopFolder() As IShellFolder
Dim lR As Long
lR = SHGetDesktopFolder(GetDesktopFolder)
End Function
[/b]
