As my colleague Ivan has implied all WinForms themes are based on one of the same styling architecture. Although the Metro theme may seem simple, you still have to follow our support resources regarding Visual Style Builder and then use this tool to edit the theme. What is easier regarding the TelerikMetro theme is the fact that is uses fewer colors than the other themes.
As to the article you have read, I suppose that it is this blog article which concerns our Silverlight suite.
the Telerik team
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