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//Sets the specified theme as the default application theme for C1ThemeControllers
C1ThemeController.ApplicationTheme = "GreenHouse";
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//Register the theme file with the C1ThemeController
C1.Win.C1Themes.C1ThemeController.RegisterTheme(@"C:\Users\Documents\Visual Studio 2010\Projects\ThemesBuild6\ThemesBuild6\NewOffice2013White.c1theme");
//Apply it to a control and use the theme name
this.c1ThemeController1.SetTheme(somecontrol, "NewOffice2013White")