FoxPro code samples:

Dial the Net Automatically
http://www.news2news.com/vfp/?example=140&function=205

Initiating Inet connection using a modem
http://www.news2news.com/vfp/?example=312&function=482

Testing if a connection to an Url can be established
http://www.news2news.com/vfp/?example=327&function=501

Using InternetGoOnline function
http://www.news2news.com/vfp/?example=67&function=98

The following is set of related WinInet API functions:

InternetAutodial
Causes the modem to automatically dial the default Internet connection.

InternetAutodialHangup
Disconnects an automatic dial-up connection.

InternetCheckConnection
Allows an application to check if a connection to the Internet can be established.

InternetDial
Initiates a connection to the Internet using a modem.

InternetHangUp
Instructs the modem to disconnect from the Internet.

InternetGoOnline
Prompts the user for permission to initiate connection to a URL.

InternetCheckConnection
Allows an application to check if a connection to the Internet can be established.