| Class | Description |
| AssemblyVersion | |
| BorderDetails | The BorderDetails class handles properties and methods directly related to the appearance of the style's border. |
| CallBackManager | Class responsible for hidden CallBacks triggered by UltraWebTab and WebAsyncRefreshPanel |
| ClientEventsBase | Summary description for ClientEventBase. |
| CSSParser | |
| CSSParser.CannotParseCssException | |
| DisposableObject | The base class Disposable maintains a boolean flag that keeps track of whether or not the object has been Disposed. It implemnets System.IDisposable and calls a virtual 'OnDispose' method to let the derived class know when the object has been Disposed. |
| EventManagerBase | Abstract base class for managing a Web Element's events. It maintains an enabled flag for each event, as well as a nested 'In Progress' counter. |
| GlobalCssHelper | Static methods to simplify architecture for rendering of css style blocks in a single global block. |
| ImageUrls | This class is used by Infragistics controls and is not for general use. |
| KeyedObjectBase | Abstract base class which implements IKeyedObject for sub objects that will be part of a keyed collection (where each item can be accessed either through a zero-based index or a string key). |
| KeyedObjectCollectionBase | Abstract base class for keyed collections |
| KeyedWebObjectBase | Summary description for KeyedWebObjectBase. |
| KeyedWebObjectsCollectionBase | Summary description for KeyedWebObjectsCollectionBase. |
| KeyedWebObjectsEnumeratorBase | |
| Margin | The amount of space for margins of an object. |
| NetAdvantageLicenseAttribute | |
| Padding | The amount of space to insert between an object and its edges |
| ParsedStyle | |
| ParsedStyleCollection | |
| PrimitiveTypeConverter | The type converter for properties that use the PrimitiveTypeUITypeEditor. |
| Rectangle | Class for representing rectangular coordinates and allowing them to be displayed and edited in the Property grid. |
| RendererBase | Base class for html rendering. |
| RenderPropsBase | |
| SmartCallback | |
| SmartDate | Date type with support for empty (or null) date values. |
| SmartDateConverter | Summary description for TagConverter. |
| SmartDateDateOnlyConverter | Summary description for TagConverter. |
| SmartDateTimeOnlyConverter | Summary description for TagConverter. |
| SmartHtmlTextWriter | A wrapper for the HtmlTextWriter class of the ASP.NET Framework. |
| SparseArray | SparseArray class. |
| SparseCollectionBase | Abstract base class for collections that contain objects. If the object implements the System.IDisposable interface, OnDispose is called on the object in DisposeCollectionItems. |
| Style | Class providing CSS style attributes and functionality. |
| WebAgent | Performs much of the Application Styling Framework(tm) logic for individual controls. |
| WebComponentBase | Summary description for WebComponentBase. |
| WebDataObject | Implements behavior and functionality for objects that are maintained within a data store. This object can also keep track of the properties which have been changed. |
| WebDataObjectsCollection | Summary description for WebDataObjectsCollection. |
| WebObjectBase | Classes that want to implement viewstate for persisting object properties should derive from the WebObjectBase class. |
| WebObjectsCollectionBase | Summary description for Class1 |
| WebObjectsEnumeratorBase | |