How to add “Where” entry in Google Calendar using Google API Version 2

I am using Google API Version 2 fo .NET to creat开发者_开发百科e Google Calendar Entries. How can we set "Where" in Google Calendar ?

Thanx

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Taken from http://code.google.com/apis/calendar/data/2.0/developers_guide_dotnet.html#CreatingEvents:

Note that to set the event's location, we must first construct a Where object whose ValueString is the desired location text.