| Class | Description |
| BookDragPageFinishedEventArgs | Provides data for C1Book.DragPageFinished event. |
| C1AdvancedColorPickerPart | Control that allows the user to create a personalized color by changing the different components of the HSL or RGB representation of the color. |
| C1BasicColorPickerPart | Control that shows a range of predefined colors from a specified palette. |
| C1Book | C1Book is an ItemsControl that contains elements which are shown as pages of a book. End-users can turn the pages as they would in a real book by using the mouse to drag the pages or double-clicking the corner page. |
| C1BookHalfSpan | C1BookHalfSpan simulates a single large element spanning two pages. Put C1BookHalfSpans in the C1BookItems of opposite pages, adjust the Dock property, and repeat the content to get the illusion of a centerfold image. |
| C1BookItem | Represents the items that can be hosted in a C1Book. |
| C1CheckeredBorder | Border that display a color over a checkered pattern that is visible when a semi-transparent color is set, allowing the user to distinguish easily between clear and transparent colors. |
| C1ColorButton | Button that shows a color, This control is used in the C1BasicColorPickerPart. Button that represents a color. |
| C1ColorPicker | The C1ColorPicker control allows end-users to pick a color from a color palette or use the color editor to build advanced colors using the RGB or HSL color models. The C1ColorPicker control keeps a list of the recently used colors. |
| C1ColorSlider | Slider used to chose the hue of a color. |
| C1HexColorBox | Text box that shows a color in its hexadecimal representation. |
| C1SpectrumColorPicker | Control that shows a gradient color gamut as well as a slider, allowing the user to chose the color by dragging an indicator. |
| C1SpectrumPad | Control that shows a gradient color gamut allowing the user to chose the color by dragging an indicator. |
| ColorPalette | Class that defines named groups of colors. |
| ColorPaletteEntry | Class that contains information about the color, its name and description. |
| WebColor | Utility methods for web colors. |