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IsNetworkAlive Determines whether the local system is connected to a network and the type of network connection, for example, LAN, WAN, or both.
VB4-32,5,6
Declare Function IsNetworkAlive Lib "SENSAPI.DLL" (ByRef lpdwFlags As Long) As Long |
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Operating Systems Supported |
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Requires Windows 2000 (or Windows NT 4.0 with Internet Explorer 5 or later); Requires Windows 95 or later (with Internet Explorer 5 or later) |
- lpdwFlags
Provides information on the type of network connection available when the return value is TRUE. The flags can be:
NETWORK_ALIVE_LAN
The computer has one or more LAN cards that are active.
NETWORK_ALIVE_WAN
The computer has one or more active RAS connections.
NETWORK_ALIVE_AOL
This flag is only valid in Windows 95 and Windows 98. Indicates the computer is connected to the America Online network. |
TRUE
The local system is connected to a network.
FALSE
Call GetLastError to determine the reason for no connectivity. |
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