CZML writer DotNet

I don’t know how to use "CZML-writer " DotNet version in VS2010. Can anyone give me an example? I mean ,a most simple piece of C# code to write a .czml file drawing several points?

See this recent thread: https://groups.google.com/d/msg/cesium-dev/8PCy3m1cOiQ/uhkmKpUuDgAJ