| Class | Description | |
|---|---|---|
 | C1Block | An abstract class that provides a base for all block-level flow content elements. |
| C1BlockUIContainer | A block-level flow content element which enables UIElement elements to be embedded in flow content. |
| C1Document | Represents a flow document. |
| C1HtmlDocument | Represents an Html document. |
| C1HtmlElement | Represents an Html element. |
| C1HtmlNode | Represents an Html node. |
| C1HtmlText | Represents an Html text node. |
| C1Hyperlink | An inline-level flow content element that provides facilities for hosting hyperlinks within flow content. |
| C1Inline | An abstract class that provides a base for all inline flow content elements. |
| C1InlineUIContainer | An inline-level flow content element which enables UIElement elements to be embedded in flow content. |
| C1LengthConverter | System.ComponentModel.TypeConverter for C1Length. |
| C1List | A block-level flow content element that provides facilities for presenting content in an ordered or unordered list. |
| C1ListItem | A flow content element that represents a particular content item in a C1List. |
| C1ListMarkerTemplateContext | Class used as DataContext for C1List.MarkerTemplate |
| C1Paragraph | A block-level flow content element used to group content into a paragraph. |
| C1Run | An inline-level flow content element intended to contain a run of formatted or unformatted text. |
| C1Section | A block-level flow content element used for grouping other C1Block elements. |
| C1Span | Groups other C1Inline flow content elements. |
| C1Table | A block-level flow content element that provides a grid-based presentation organized by rows and columns. |
| C1TableCell | A flow content element that defines a cell of content within a C1Table. |
| C1TableColumn | Defines a column within a C1Table. |
| C1TableRow | A flow content element that defines a row within a C1Table. |
| C1TableRowGroup | Represents a flow content element used to group C1TableRow elements within a C1Table. |
| C1TextDecoration | Represents a text decoration, which a visual ornamentation that is added to text (such as an underline). |
| C1TextDecorationCollection | Represents a collection of TextDecoration instances. |
| C1TextDecorationCollectionConverter | System.ComponentModel.TypeConverter for C1TextDecorationCollection. |
| C1TextDecorations | Provides a set of static predefined text decorations. |
| C1TextElement | An abstract class used as the base class for all elements in a C1Document. |
| C1TextElementStyle | Defines a collection of StyleProperty values. |
| C1TextPointer | Represents a position within a C1Document |
| C1TextRange | Represents a text range in a C1Document. |
| ClipboardEventArgs | Arguments for the clipboard events in C1.WPF.RichTextBox.C1RichTextBox. |
| ConvertedHtmlNodeEventArgs | Provides data for the HtmlFilter.ConvertedHtmlNode event. |
| ConvertedTextElementEventArgs | Provides data for the HtmlFilter.ConvertedTextElement event. |
| ConvertingHtmlNodeEventArgs | Provides data for the HtmlFilter.ConvertingHtmlNode event. |
| ConvertingTextElementEventArgs | Provides data for the HtmlFilter.ConvertingTextElement event. |
| DocumentHistory | Manages the history of actions performed in a document, and provides undo and redo for this actions. |
| DocumentHistoryGroup | Helper class for handling DocumentHistory groups, starts a group when constructed, and ends it when disposed. This is meant to be used with the using keyword. |
| EndTag | Represents an end tag of a C1TextElement |
| HtmlFilter | Filter for converting C1Document objects to and from HTML strings. |
| MhtmlFilter | Filter for converting MHTML strings to C1Document objects. |
| ProxyCollection<T> | Collection class used in C1TextElement inherited classes. |
| RtfFilter | Filter for converting C1Document objects to and from RTF strings. |
| StartTag | Represents a start tag of a C1TextElement |
| StyleProperty | Defines a style property of a C1TextElement. |
| Tag | Represents a tag of a C1TextElement |
