LANTools

Full name Microsoft.VisualBasic.Net.LANTools Assembly Microsoft.VisualBasic.Runtime Members 6

http://www.codeproject.com/Tips/358946/Retrieving-IP-and-MAC-addresses-for-a-LAN

01 Syntax

Microsoft.VisualBasic.Net.LANTools

02 Methods

Name	Overloads	Summary
GetIpNetTable	1	GetIpNetTable external method
GetAllDevicesOnLAN	1	Get the IP and MAC addresses of all known devices on the LAN
GetIPAddress	1	Gets the IP address of the current PC
GetMacAddress	1	Gets the MAC address of the current PC.
IsMulticast	1	Returns true if the specified IP address is a multicast address

03 Fields

Name	Overloads	Summary
ERROR_INSUFFICIENT_BUFFER	1	Error codes GetIpNetTable returns that we recognise

04 Members

method GetIpNetTable #

GetIpNetTable(IntPtr, Int32, Boolean)

GetIpNetTable external method

Parameters

Name	Type	Description
`pIpNetTable`	`IntPtr`	-
`pdwSize`	`Int32`	-
`bOrder`	`Boolean`	-

method GetAllDevicesOnLAN #

GetAllDevicesOnLAN

Get the IP and MAC addresses of all known devices on the LAN

Remarks

1) This table is not updated often - it can take some human-scale time to notice that a device has dropped off the network, or a new device has connected. 2) This discards non-local devices if they are found - these are multicast and can be discarded by IP address range.

method GetIPAddress #

GetIPAddress

Gets the IP address of the current PC

method GetMacAddress #

GetMacAddress

Gets the MAC address of the current PC.

method IsMulticast #

IsMulticast(IPAddress)

Returns true if the specified IP address is a multicast address

Parameters

Name	Type	Description
`ip`	`IPAddress`	-

field ERROR_INSUFFICIENT_BUFFER #

ERROR_INSUFFICIENT_BUFFER

Error codes GetIpNetTable returns that we recognise