Displaying message on a computer over LAN

How can I display a message (Using vb.net) on a computer that is attached through LAN? Can I use IP Address of that computer: Ho开发者_JAVA百科w?

Please give me code sample.

Thanks Furqan

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You should use the shell command "net send". There's an example on CodeProject.

http://www.codeproject.com/KB/vb/CfSimpleSendComp.aspx