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terminating a dial-up network connection

Posted on 1998-07-08
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Last Modified: 2010-05-03
I need to terminate a dial-up connection to limit use of the internet.  Does anyone know the procedure or methodology to accomplish this?  Please provide some detail in your answer.
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Question by:generous
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Dalin earned 150 total points
ID: 1465225
gererouse,
Try this. Let me know how it went.
Regards
Dalin



'Declarations

Public Const RAS_MAXENTRYNAME As Integer = 256
Public Const RAS_MAXDEVICETYPE As Integer = 16
Public Const RAS_MAXDEVICENAME As Integer = 128
Public Const RAS_RASCONNSIZE As Integer = 412

Public Type RasEntryName
    dwSize As Long
    szEntryName(RAS_MAXENTRYNAME) As Byte
End Type

Public Type RasConn
    dwSize As Long
    hRasConn As Long
    szEntryName(RAS_MAXENTRYNAME) As Byte
    szDeviceType(RAS_MAXDEVICETYPE) As Byte
    szDeviceName(RAS_MAXDEVICENAME) As Byte
End Type

Public Declare Function RasEnumConnections Lib _
"rasapi32.dll" Alias "RasEnumConnectionsA" (lpRasConn As _
Any, lpcb As Long, lpcConnections As Long) As Long

Public Declare Function RasHangUp Lib "rasapi32.dll" Alias _
"RasHangUpA" (ByVal hRasConn As Long) As Long      

Public gstrISPName As String
Public ReturnCode As Long
     

Procedure

Public Sub HangUp()
Dim i As Long
Dim lpRasConn(255) As RasConn
Dim lpcb As Long
Dim lpcConnections As Long
Dim hRasConn As Long
lpRasConn(0).dwSize = RAS_RASCONNSIZE
lpcb = RAS_MAXENTRYNAME * lpRasConn(0).dwSize
lpcConnections = 0
ReturnCode = RasEnumConnections(lpRasConn(0), lpcb, _
lpcConnections)

If ReturnCode = ERROR_SUCCESS Then
    For i = 0 To lpcConnections - 1
        If Trim(ByteToString(lpRasConn(i).szEntryName)) _
            = Trim(gstrISPName) Then
            hRasConn = lpRasConn(i).hRasConn
            ReturnCode = RasHangUp(ByVal hRasConn)
        End If
    Next i
End If

End Sub

Public Function ByteToString(bytString() As Byte) As String
Dim i As Integer
ByteToString = ""
i = 0
While bytString(i) = 0&
ByteToString = ByteToString & Chr(bytString(i))
i = i + 1
Wend
End Function
     
'Once you have copied all required code into your project, you 'can hang up all connections to the telephone network by calling 'the procudure
'HangUp:

Call HangUp              
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Author Comment

by:generous
ID: 1465226
I'm not sure if this will work, but it has been too long now.  So here are the pts, sorry for the reduction (it would have been nice if you had included some comments).  Thanks
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Author Comment

by:generous
ID: 1465227
Dalin, If you could pls provide me with some comments on the code.  This is an ambitious project for me considering my skill level.
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