Check Internet Connection [ VB6 ]

Private Declare Function InternetGetConnectedState Lib "wininet" (ByRef dwflags As Long, _
  ByVal dwReserved As Long) As Long
Private Const CONNECT_LAN As Long = &H2
  Private Const CONNECT_MODEM As Long = &H1
  Private Const CONNECT_PROXY As Long = &H4
  Private Const CONNECT_OFFLINE As Long = &H20
  Private Const CONNECT_CONFIGURED As Long = &H40

Public Function IsWebConnected(Optional ByRef ConnType As String) As Boolean
      Dim dwflags As Long
      Dim WebTest As Boolean
      ConnType = ""
      WebTest = InternetGetConnectedState(dwflags, 0&)
      Select Case WebTest
          Case dwflags And CONNECT_LAN: ConnType = "LAN"
          Case dwflags And CONNECT_MODEM: ConnType = "Modem"
          Case dwflags And CONNECT_PROXY: ConnType = "Proxy"
          Case dwflags And CONNECT_OFFLINE: ConnType = "Offline"
          Case dwflags And CONNECT_CONFIGURED: ConnType = "Configured"
          Case dwflags And CONNECT_RAS: ConnType = "Remote"
      End Select
      IsWebConnected = WebTest
  End Function
  Private Sub Command1_Click()
      Dim msg As String
      If IsWebConnected(msg) Then
          msg = "You are connected to the Internet via : " & msg
      Else
          msg = "You are not connected to the Internet."
      End If
     
      MsgBox msg, vbOKOnly, "Internet Connection Status"
  End Sub

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