IsConnectedToInternet

Public Function IsConnected() As Boolean
    Dim lRegKey As Long
    Dim bData(3) As Byte
    
    If RegOpenKey(HKEY_LOCAL_MACHINE, "System\CurrentControlSet\Services\RemoteAccess", lRegKey) = 0 Then
        'Opened RegKey Successfully..
        If RegQueryValueEx(lRegKey, "Remote Connection", 0&, 1&, bData(0), 4) = 0 Then
            'Query the Value of "Remote Connection" 1 - Connected, 0 - Not Connected
            IsConnected = bData(0)
        Else
            'Counldn't find the Value, assume no Connection
            IsConnected = False
        End If
        'Close the Registry Key
        Call RegCloseKey(lRegKey)
    End If
End Function

'In a Module..

Private Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Private Declare Function RegQueryValueEx Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, lpData As Any, lpcbData As Long) As Long ' Note that if you declare the lpData parameter as string, you must pass it By Value.
Private Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Private Const HKEY_LOCAL_MACHINE = &H80000002

Public Function IsConnected() As Boolean
Dim lRegKey As Long
Dim bData(3) As Byte

If RegOpenKey(HKEY_LOCAL_MACHINE, "System\CurrentControlSet\Services\RemoteAccess", lRegKey) = 0 Then
'Opened RegKey Successfully..

If RegQueryValueEx(lRegKey, "Remote Connection", 0&, 1&, bData(0), 4) = 0 Then
'Query the Value of "Remote Connection" 1 - Connected, 0 - Not Connected

IsConnected = bData(0)
Else
'Counldn't find the Value, assume no Connection

IsConnected = False
End If
'Close the Registry Key

Call RegCloseKey(lRegKey)
End If
End Function