Option Compare Database
Option Explicit
Public Type BROWSEINFO
hwndOwner As Long
pidlRoot As Long
pszDisplayName As String
pszTitle As String
ulFlags As Long
lpfn As Long
lParam As Long
iImage As Long
End Type
Const MAX_PATH As Long = 260
Const dhcErrorExtendedError = 1208&
Const dhcNoError = 0&
'定数でフォルダを参照するためのルートディレクトリを指定します'検索可能なフォルダとオプションの定数で値を指定することもできます。
Const dhcCSIdlDesktop = &H0
Const dhcCSIdlPrograms = &H2
Const dhcCSIdlControlPanel = &H3
Const dhcCSIdlInstalledPrinters = &H4
Const dhcCSIdlPersonal = &H5
Const dhcCSIdlFavorites = &H6
Const dhcCSIdlStartupPmGroup = &H7
Const dhcCSIdlRecentDocDir = &H8
Const dhcCSIdlSendToItemsDir = &H9
Const dhcCSIdlRecycleBin = &HA
Const dhcCSIdlStartMenu = &HB
Const dhcCSIdlDesktopDirectory = &H10
Const dhcCSIdlMyComputer = &H11
Const dhcCSIdlNetworkNeighborhood = &H12
Const dhcCSIdlNetHoodFileSystemDir = &H13
Const dhcCSIdlFonts = &H14
Const dhcCSIdlTemplates = &H15
'BrowseForFolderダイアログの選択肢を制限するための定数
Const dhcBifReturnAll = &H0
Const dhcBifReturnOnlyFileSystemDirs = &H1
Const dhcBifDontGoBelowDomain = &H2
Const dhcBifIncludeStatusText = &H4
Const dhcBifSystemAncestors = &H8
Const dhcBifBrowseForComputer = &H1000
Const dhcBifBrowseForPrinter = &H2000
'...統合されたAPIビューアからこれらの値をさらに取得して、一定の仕様を確認するか、AllPai.netにアクセスしてサンプルを確認できます。
Public Declare Function SHBrowseForFolder Lib "shell32.dll" (ByRef lpbi As BROWSEINFO) As Long
'修正済み
Public Declare Function SHGetSpecialFolderLocation Lib "shell32.dll" _
(ByVal hwndOwner As Long, ByVal nFolder As Long, ByRef pidl As Long) As Long
Public Declare Function SHGetPathFromIDList Lib "shell32" (ByVal pidList As Long, ByVal lpBuffer As String) As Long
Public Function BrowseForFolder(ByVal lngCSIDL As Long, _
ByVal lngBiFlags As Long, _
strFolder As String, _
Optional ByVal hWnd As Long = 0, _
Optional pszTitle As String = "Select Folder") As Long
Dim usrBrws As BROWSEINFO
Dim lngReturn As Long
Dim lngIDL As Long
If SHGetSpecialFolderLocation(hWnd, lngCSIDL, lngIDL) = 0 Then
'ここで参照構造を設定します
With usrBrws
.hwndOwner = hWnd
.pidlRoot = lngIDL
.pszDisplayName = String$(MAX_PATH, vbNullChar)
.pszTitle = pszTitle
.ulFlags = lngBiFlags
End With
'ダイアログを開く
lngIDL = SHBrowseForFolder(usrBrws)
If lngIDL = 0 Then Exit Function
'成功した場合
If lngIDL Then strFolder = String$(MAX_PATH, vbNullChar)
'resolve the long value form the lngIDL to a real path
If SHGetPathFromIDList(lngIDL, strFolder) Then
strFolder = Left(strFolder, InStr(1, strFolder, vbNullChar))
lngReturn = dhcNoError 'to show there is no error.
Else
'nothing real is available.
'return a virtual selection
strFolder = Left(usrBrws.pszDisplayName, InStr(1, usrBrws.pszDisplayName, vbNullChar))
lngReturn = dhcNoError 'to show there is no error.
End If
Else
lngReturn = dhcErrorExtendedError 'something went wrong
End If
BrowseForFolder = lngReturn
End Function