Option Explicit
Private Declare Function RasEnumConnections Lib "RasApi32.dll" _
Alias "RasEnumConnectionsA" (lpRasCon As Any, lpcb As _
Long, lpcConnections As Long) As Long
Private Declare Function RasGetConnectStatus Lib "RasApi32.dll" _
Alias "RasGetConnectStatusA" (ByVal hRasCon As Long, _
lpStatus As Any) As Long
Const RAS_MaxEntryName = 256
Const RAS_MaxDeviceType = 16
Const RAS_MaxDeviceName = 32
Private Type RASType
dwSize As Long
hRasCon As Long
szEntryName(RAS_MaxEntryName) As Byte
szDeviceType(RAS_MaxDeviceType) As Byte
szDeviceName(RAS_MaxDeviceName) As Byte
End Type
Private Type RASStatusType
dwSize As Long
RasConnState As Long
dwError As Long
szDeviceType(RAS_MaxDeviceType) As Byte
szDeviceName(RAS_MaxDeviceName) As Byte
End Type
Private Function DFÜStatus() As Boolean
Dim RAS(255) As RASType, RASStatus As RASStatusType
Dim lg&, lpcon&, Result&
RAS(0).dwSize = 412
lg = 256 * RAS(0).dwSize
Result = RasEnumConnections(RAS(0), lg, lpcon)
If lpcon = 0 Then
DFÜStatus = False
Else
RASStatus.dwSize = 160
Result = RasGetConnectStatus(RAS(0).hRasCon, RASStatus)
If RASStatus.RasConnState = &H2000 Then
DFÜStatus = True
Else
DFÜStatus = False
End If
End If
End Function