Some vb tricks for begginers

[Manojap]

Pls copy paste these code to ur visual basic form’s code section.

1.Invoke folder selection dialog box to ur Visual Basic application / use of windows handles

Private 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
Private Const BIF_RETURNONLYFSDIRS = &H1
Private Declare Function SHGetPathFromIDList Lib "SHELL32.DLL" Alias "SHGetPathFromIDListA" (ByVal pidl As Long, ByVal pszPath As String) As Long
Private Declare Function SHBrowseForFolder Lib "SHELL32.DLL" Alias "SHBrowseForFolderA" (lpBrowseInfo As BROWSEINFO) As Long 'ITEMIDLIST

Public Function BrowseFolder(hWnd As Long, szDialogTitle As String) As String
' Syntax: StrVar = BrowseFolder(hWnd, StrVar)
On Local Error Resume Next
Dim X As Long, BI As BROWSEINFO, dwIList As Long, szPath As String, wPos As Integer
BI.hOwner = hWnd
BI.lpszTitle = szDialogTitle
BI.ulFlags = BIF_RETURNONLYFSDIRS
dwIList = SHBrowseForFolder(BI)
szPath = Space$(512)
X = SHGetPathFromIDList(ByVal dwIList, ByVal szPath)
If X Then
wPos = InStr(szPath, Chr(0))
BrowseFolder = Trim(Left$(szPath, wPos - 1))
Else
BrowseFolder = vbNullString
End If
End Function

Private Sub Form_Click()
Dim sFileName As String
sFileName = BrowseFolder(Me.hWnd, "Select the folder to Protect")

End Sub


2.Function to Check whether a folder exist or not , this function will return true if the folder exist.Pls modify above code..

Public Function IsFolderExists(FolderName As String) As Boolean
Dim fs
Set fs = CreateObject("Scripting.FileSystemObject")
IsFolderExists = fs.FolderExists(FolderName)
End Function

Private Sub Form_Click()
Dim sFileName As String
sFileName = BrowseFolder(Me.hWnd, "Select the folder to Protect")
MsgBox (IsFolderExists(sFileName))
End Sub

3.Run a weblink or mailto link using shell command from Visual Basic application/set hypperlink.

General Declaration section
Private Declare Function ShellExecute Lib "SHELL32.DLL" Alias "ShellExecuteA" _
(ByVal hWnd As Long, ByVal lpOperation As String, ByVal lpFile As String, _
ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As
Long
Private Const AppName = "Dictionary"


Private Sub mail_Click()
ShellExecute 0, "Open", "mailto:" & mail.Caption, vbNullString, vbNullString, vbNormal
End Sub

Private Sub web_Click()
ShellExecute 0, "Open", web.Caption, vbNullString, vbNullString, vbNormal
End Sub
Private Sub Form_Load()
mail.caption=�maojap.nair@gmail.com�
web.caption=�http://www.manojapnair.bravehost.com�
End Sub


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[Portus]

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