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| Public Declare Function RasEnumConnections Lib "RasApi32.dll" Alias "RasEnumConnectionsA" (lpRasCon As Any, lpcb As Long, lpcConnections As Long) As Long Public Declare Function RasGetConnectStatus Lib "RasApi32.dll" Alias "RasGetConnectStatusA" (ByVal hRasCon As Long, lpStatus As Any) As Long ' Public Const RAS95_MaxEntryName = 256 Public Const RAS95_MaxDeviceType = 16 Public Const RAS95_MaxDeviceName = 32 ' Public 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 ' Public Type RASCONNSTATUS95 dwSize As Long RasConnState As Long dwError As Long szDeviceType(RAS95_MaxDeviceType) As Byte szDeviceName(RAS95_MaxDeviceName) As Byte End Type |
| 'A call to the function IsConnected returns true if the computer has established a connection to the internet. 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) If RetVal <> 0 Then MsgBox "ERROR" Exit Function End If ' Tstatus.dwSize = 160 RetVal = RasGetConnectStatus(TRasCon(0).hRasCon, Tstatus) If Tstatus.RasConnState = &H2000 Then IsConnected = True Else IsConnected = False End If End Function |
منبع:www.cesblog.ir
+ نوشته شده توسط CES در سه شنبه بیست و چهارم خرداد ۱۳۹۰ و ساعت
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