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Setting the off-line mode

Setting the off-line mode

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You can programmatically set the Internet Explorer off-line mode with the InternetSetOption API, as this code snippet demonstrates:

Const INTERNET_OPTION_CONNECTED_STATE = 50Const INTERNET_STATE_CONNECTED = 1Const INTERNET_STATE_DISCONNECTED = 2Const INTERNET_STATE_DISCONNECTED_BY_USER = &H10Const INTERNET_STATE_IDLE = &H100Const INTERNET_STATE_BUSY = &H200Const ISO_FORCE_DISCONNECTED = 1Private Declare Function InternetSetOption Lib "wininet.dll" Alias _    "InternetSetOptionA" (ByVal hInternet As Long, ByVal dwOption As Long, _    lpBuffer As INTERNET_CONNECTED_INFO, ByVal dwBufferLength As Long) As _    Boolean' Force the OffLine or OnLine modeSub SetOffLineMode(ByVal offLineMode As Boolean)    Dim ci As INTERNET_CONNECTED_INFO    Dim retValue As Boolean    If offLineMode Then        ci.dwConnectedState = INTERNET_STATE_DISCONNECTED_BY_USER        ci.dwFlags = ISO_FORCE_DISCONNECTED    Else        ci.dwConnectedState = INTERNET_STATE_CONNECTED    End If    retValue = InternetSetOption(0&, INTERNET_OPTION_CONNECTED_STATE, ci, _        LenB(ci))    If retValue = False Then Err.Raise vbObjectError + 1000, , _        "An error occurred calling SetOffLineMode function"End Sub

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