* Resource:embeds the file in a shared (by all files in the assembly with similar setting) assembly manifest resource named AppName.g.resources
* SplashScreen: Silverlight的欢迎界面。
* DesignData: Sample data types will be created as faux types. Use this Build Action when the sample data types are not creatable or have read-only properties that you want to defined sample data values for.
* DesignDataWithDesignTimeCreatableTypes: Sample data types will be created using the types defined in the sample data file. Use this Build Action when the sample data types are creatable using their default empty constructor.