Sunday, April 4, 2010

VB6 Code - Fungsi API Untuk Browse For Folder

Mengenai fungsi-fungsi API untuk menampilkan dialog browse for folder dengan menggunakan kode-kode VB6:
Option Explicit

Private Const BIF_RETURNONLYFSDIRS = 1
Private Const BIF_DONTGOBELOWDOMAIN = 2
Private Const MAX_PATH = 260

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

Public 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

Public Function BrowseForFolder(hwnd As Long, Optional Title As String = "Browse For Folder") As String
Dim lpIDList As Long
Dim sBuffer As String
Dim szTitle As String
Dim tBrowseInfo As BrowseInfo
szTitle = "This Is My Title"
With tBrowseInfo
.hWndOwner = Me.hwnd
.lpszTitle = lstrcat(szTitle, "")
.ulFlags = BIF_RETURNONLYFSDIRS + BIF_DONTGOBELOWDOMAIN
End With
lpIDList = SHBrowseForFolder(tBrowseInfo)
If (lpIDList) Then
sBuffer = Space(MAX_PATH)
SHGetPathFromIDList lpIDList, sBuffer
sBuffer = Left(sBuffer, InStr(sBuffer, vbNullChar) - 1)
BrowseForFolder = sBuffer
End If
End Function
Adapun contoh untuk fungsi API diatas:

Private Sub Command1_Click()
Text1.Text = BrowseForFolder(Me.hwnd)
End Sub