Hi,
finally I was successful. For all of you having the same problems here the code for opening a common dialog windows for files and for folders.
Private Declare Function GetOpenFileName Lib "comdlg32.dll" _
Alias "GetOpenFileNameA" (pOpenfilename As OPENFILENAME) _
As Long
Declare Function SHGetPathFromIDList Lib "shell32.dll" _
Alias "SHGetPathFromIDListA" (ByVal pidl As Long, _
ByVal pszPath As String) As Long
Declare Function SHBrowseForFolder Lib "shell32.dll" _
Alias "SHBrowseForFolderA" (lpBrowseInfo As BROWSEINFO) As Long
Private Type OPENFILENAME
lStructSize As Long
hwndOwner As Long
hInstance As Long
lpstrFilter As String
lpstrCustomFilter As String
nMaxCustFilter As Long
nFilterIndex As Long
lpstrFile As String
nMaxFile As Long
lpstrFileTitle As String
nMaxFileTitle As Long
lpstrInitialDir As String
lpstrTitle As String
Flags As Long
nFileOffset As Integer
nFileExtension As Integer
lpstrDefExt As String
lCustData As Long
lpfnHook As Long
lpTemplateName As String
End Type
Public Type BROWSEINFO
hOwner As Long
pidlRoot As Long
pszDisplayName As String
lpszTitle As String
ulFlags As Long
lpfn As Long
lParam As Long
iImage As Long
End Type
Public Const OFN_ALLOWMULTISELECT As Long = &H200&
Public Const OFN_CREATEPROMPT As Long = &H2000&
Public Const OFN_ENABLEHOOK As Long = &H20&
Public Const OFN_ENABLETEMPLATE As Long = &H40&
Public Const OFN_ENABLETEMPLATEHANDLE As Long = &H80&
Public Const OFN_EXPLORER As Long = &H80000
Public Const OFN_EXTENSIONDIFFERENT As Long = &H400&
Public Const OFN_FILEMUSTEXIST As Long = &H1000&
Public Const OFN_HIDEREADONLY As Long = &H4&
Public Const OFN_LONGNAMES As Long = &H200000
Public Const OFN_NOCHANGEDIR As Long = &H8&
Public Const OFN_NODEREFERENCELINKS As Long = &H100000
Public Const OFN_NOLONGNAMES As Long = &H40000
Public Const OFN_NONETWORKBUTTON As Long = &H20000
Public Const OFN_NOREADONLYRETURN As Long = &H8000&
Public Const OFN_NOTESTFILECREATE As Long = &H10000
Public Const OFN_NOVALIDATE As Long = &H100&
Public Const OFN_OVERWRITEPROMPT As Long = &H2&
Public Const OFN_PATHMUSTEXIST As Long = &H800&
Public Const OFN_READONLY As Long = &H1&
Public Const OFN_SHAREAWARE As Long = &H4000&
Public Const OFN_SHAREFALLTHROUGH As Long = 2&
Public Const OFN_SHARENOWARN As Long = 1&
Public Const OFN_SHAREWARN As Long = 0&
Public Const OFN_SHOWHELP As Long = &H10&
Public Function ShowOpen(Filter As String, Flags As Long, hWnd As Long) As String
Dim Buffer As String
Dim Result As Long
Dim ComDlgOpenFileName As OPENFILENAME
Buffer = String$(128, 0)
With ComDlgOpenFileName
.lStructSize = Len(ComDlgOpenFileName)
.hwndOwner = hWnd
.Flags = Flags
.nFilterIndex = 1&
.nMaxFile = Len(Buffer)
.lpstrFile = Buffer
.lpstrFilter = Filter
End With
Result = GetOpenFileName(ComDlgOpenFileName)
If Result 0 Then
ShowOpen = Left$(ComDlgOpenFileName.lpstrFile, _
InStr(ComDlgOpenFileName.lpstrFile, _
Chr$(0)) - 1)
End If
End Function
Function GetDirectory(Msg) As String
Dim bInfo As BROWSEINFO
Dim path As String
Dim r As Long, x As Long, pos As Integer
With bInfo
.pidlRoot = 0&
.lpszTitle = Msg
.ulFlags = &H1
End With
x = SHBrowseForFolder(bInfo)
path = Space$(512)
r = SHGetPathFromIDList(ByVal x, ByVal path)
If r Then
pos = InStr(path, Chr$(0))
GetDirectory = Left(path, pos - 1)
Else
GetDirectory = ""
End If
End Function
Sub ProgramStart()
'-------- Choose a File----------------
Dim sFile As String
Dim Filter As String, Flags As Long
Flags = OFN_FILEMUSTEXIST Or OFN_HIDEREADONLY Or _
OFN_PATHMUSTEXIST
Filter = "FlexPro (*.fpd)"
sFile = ShowOpen(Filter, Flags, 0)
'------------------------------------------
'-------Choose a Folder-------------
Dim sFolder As String
sFolder = GetDirectory("Choose a Folder")
'---------------------------------------
End Sub