Private Declare Function InternetGetConnectedState Lib "wininet" (ByRef dwflags As Long, _
ByVal dwReserved As Long) As Long
Private Const CONNECT_LAN As Long = &H2
Private Const CONNECT_MODEM As Long = &H1
Private Const CONNECT_PROXY As Long = &H4
Private Const CONNECT_OFFLINE As Long = &H20
Private Const CONNECT_CONFIGURED As Long = &H40
Public Function IsWebConnected(Optional ByRef ConnType As String) As Boolean
Dim dwflags As Long
Dim WebTest As Boolean
ConnType = ""
WebTest = InternetGetConnectedState(dwflags, 0&)
Select Case WebTest
Case dwflags And CONNECT_LAN: ConnType = "LAN"
Case dwflags And CONNECT_MODEM: ConnType = "Modem"
Case dwflags And CONNECT_PROXY: ConnType = "Proxy"
Case dwflags And CONNECT_OFFLINE: ConnType = "Offline"
Case dwflags And CONNECT_CONFIGURED: ConnType = "Configured"
Case dwflags And CONNECT_RAS: ConnType = "Remote"
End Select
IsWebConnected = WebTest
End Function
Private Sub Form_Load()
Me.Hide
Dim msg As String
If IsWebConnected(msg) Then
Me.Show
Else
MsgBox "เอ่ย ต่อเน็ตก่อนว้อยยย", vbCritical, "By ICheer_No0M"
End If
End Sub
ref:http://hackerskill.net/board/Programming-Code
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