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
Private Const RAS95_MaxEntryName =  256 
Private Const RAS95_MaxDeviceType =  16 
Private Const RAS95_MaxDeviceName =  32 
Private Type RASCONN95
dwSize As Long
hRasCon As Long
szEntryName(RAS95_MaxEntryName) As Byte
szDeviceType(RAS95_MaxDeviceType) As Byte
szDeviceName(RAS95_MaxDeviceName) As Byte
End Type
Private Type RASCONNSTATUS95
dwSize As Long
RasConnState As Long
dwError As Long
szDeviceType(RAS95_MaxDeviceType) As Byte
szDeviceName(RAS95_MaxDeviceName) As Byte
End Type

Public Function IsConnected() As Boolean
Dim TRasCon( 255 ) As RASCONN95
Dim lg As Long
Dim lpcon As Long
Dim RetVal As Long
Dim Tstatus As RASCONNSTATUS95
TRasCon( 0 ).dwSize =  412 
lg =  256  * TRasCon( 0 ).dwSize
RetVal = RasEnumConnections(TRasCon( 0 ), lg, lpcon)
Tstatus.dwSize =  160 
RetVal = RasGetConnectStatus(TRasCon( 0 ).hRasCon, Tstatus)
If Tstatus.RasConnState = &H2000 Then
IsConnected = True
Else
IsConnected = False
End If
End Function

Private Sub Form_Load()
'если есть соединение, то IsConnected() = True, иначе False
MsgBox IsConnected()
End Sub    
      

' Reference to Microsoft ActiveX Data Objects 2.5 Library
' Reference to Microsoft CDO for Windows 2000 Library
Dim iMsg As New CDO.Message
' configure message here if necessary
With iMsg
   .To = "someone@microsoft.com"
   .From = "another@microsoft.com"
   .Newsgroups = "comp.microsoft.newsgroup1"
   .Subject = "Agenda for staff meeting"
   .TextBody = "See attached docs for more info."
   .AddAttachment "http://example.microsoft.com/picture.gif"
   .AddAttachment "file://d:/temp/test.doc"
   .AddAttachment "C:\files\another.doc"
   ' finish and send
End With

' Reference to Microsoft ActiveX Data Objects 2.5 Library
' Reference to Microsoft CDO for Windows 2000 Library
Dim iMsg As New CDO.Message
Dim iBp  As CDO.IBodyPart
Dim iBp1 As CDO.IBodyPart
Dim Flds As ADODB.Fields
Dim Stm  As ADODB.Stream

' Get IBodyPart on the Message object
Set iBp = iMsg

' TEXT BODYPART
' Add the body part for the text/plain part of message
Set iBp1 = iBp.AddBodyPart

' set the fields here
Set Flds = iBp1.Fields
Flds("urn:schemas:mailheader:content-type") = "text/plain; charset=""iso-8859-1"""
Flds.Update

' get the stream and add the message
Set Stm = iBp1.GetDecodedContentStream
Stm.WriteText "this is the message in text format"
Stm.Flush