What about the methods of connect Projector on internet in Windows Vista?

Please refer to the following contents
 
In Windows Vista Home Basic, Windows Vista Business and Windows Vista Ultimate, you can present through wireless and wired network.
If you want to demonstrate on Internet, you must connect to a projector. 
Please refer to the following contents.
 
If you want to connect a web projector, please refer to the following steps after connecting to the internet.
1.Click the Start button, and then select All Programs->Accessories -> Connect to a Network Projector.
2.After displaying Connect to a Network Projector screen, select Search for a Projector (recommended) or click Enter the projector address.  If you know the location please insert the web address, otherwise choosing the search function. 
 

Type the password when the projector is encrypted