by Bryan Lass (3 Submissions)
Category: Miscellaneous
Compatability: VB Script
Difficulty: Intermediate
Date Added: Wed 3rd February 2021
Rating: 
(4 Votes)
Module used to map network drives to next available drive letter and to disconnect network drives.
Very Simple to use.
VBcodersOption Explicit
Private Const CONNECT_UPDATE_PROFILE = &H1
Private Const RESOURCE_CONNECTED As Long = &H1&
Public iDrive As Integer
Public iFirst As Integer
Public iFirstFree As Integer, sFirstFree As String
Public sNextDrive As String
Public Declare Function GetDriveType Lib "kernel32" Alias _
"GetDriveTypeA" (ByVal nDrive As String) As Long
Private Const RESOURCE_GLOBALNET As Long = &H2&
Private Const RESOURCETYPE_DISK As Long = &H1&
Private Const RESOURCEDISPLAYTYPE_SHARE& = &H3
Private Const RESOURCEUSAGE_CONNECTABLE As Long = &H1&
Private Declare Function WNetAddConnection2 Lib "mpr.dll" _
Alias "WNetAddConnection2A" (lpNetResource As NETCONNECT, _
ByVal lpPassword As String, ByVal lpUserName As String, _
ByVal dwFlags As Long) As Long
Private Declare Function WNetCancelConnection2 Lib "mpr.dll" _
Alias "WNetCancelConnection2A" (ByVal lpName As String, _
ByVal dwFlags As Long, ByVal fForce As Long) As Long
Private Type NETCONNECT
dwScope As Long
dwType As Long
dwDisplayType As Long
dwUsage As Long
lpLocalName As String
lpRemoteName As String
lpComment As String
lpProvider As String
End Type
Public Function MapDrive(LocalDrive As String, _
RemoteDrive As String, Optional Username As String, _
Optional Password As String) As Boolean
Dim NetR As NETCONNECT
NetR.dwScope = RESOURCE_GLOBALNET
NetR.dwType = RESOURCETYPE_DISK
NetR.dwDisplayType = RESOURCEDISPLAYTYPE_SHARE
NetR.dwUsage = RESOURCEUSAGE_CONNECTABLE
NetR.lpLocalName = Left$(LocalDrive, 1) & ":"
NetR.lpRemoteName = RemoteDrive
MapDrive = (WNetAddConnection2(NetR, Username, Password, _
CONNECT_UPDATE_PROFILE) = 0)
End Function
Public Function DisconnectDrive(LocalDrive As String) As String
DisconnectDrive = WNetCancelConnection2(Left$(LocalDrive, 1) & ":", _
CONNECT_UPDATE_PROFILE, False) = 0
End Function
Public Function FindDrive() As String
iDrive = 67
Do
iDrive = iDrive + 1
sNextDrive = Chr$(iDrive) + ":\"
iFirstFree = GetDriveType(sNextDrive)
Loop Until iFirstFree = 1
sFirstFree = Chr$(iDrive) + ":\"
FindDrive = sFirstFree
End Function
'Syntax is as follows
Private sub NetConnect()
Dim UncPath As String
UncPath="\\server\folder\subfolder\subfolder\destinationfolder"
MapDrive FindDrive, UncPath
end sub
Private sub DropDrive()
Dim DrLetter as string
DrLetter= "e"' Any Letter you want
disconnectdrive drletter
end sub