| Class | Description | |
|---|---|---|
 | ControlBuilderFactoryExtension | Extends ControlBuilderFactory for FlexSheet related controls creation. |
| FormulaBarExtension | Define a static class to add the extension methods for all the controls which can use FormulaBar extender. |
| ScriptsBuilderExtension | Extends C1.Web.Mvc.Fluent.ScriptsBuilder class for FlexSheet control scripts. |