كود معرفة حالة الاتصال بالانترنت

0

ضع هذا الكود في مودل

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


ضع هذا الكود في الفورم

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

Private Sub Command1_Click()
If IsConnected() = True Then
   MsgBox ("الجهاز متصل بالانترنت")
   Else
   MsgBox ("الجهاز غير متصل بالانترنت")
End If
End Sub

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