June 23, 2001

IsConnectedToInternet – Check whether there is an Internet connection

Private Declare Function InternetGetConnectedState Lib “wininet.dll” (ByRef _ lpSFlags As Long, ByVal dwReserved As Long) As LongConst INTERNET_CONNECTION_MODEM = 1Const INTERNET_CONNECTION_LAN = 2Const INTERNET_CONNECTION_PROXY = 4Const INTERNET_CONNECTION_MODEM_BUSY = 8′ return

IsFileInCache – Check whether a file is in the Internet cache

Private Declare Function GetUrlCacheEntryInfo Lib “wininet.dll” Alias _ “GetUrlCacheEntryInfoA” (ByVal sUrlName As String, lpCacheEntryInfo As Any, _ lpdwCacheEntryInfoBufferSize As Long) As Long’ Check whether the file identified by the URL