| Class | Description |
| AllowDropEventArgs | Represents the arguments, associated with a C1DockingManager.QueryAllowDrop event. |
| AutoCreatedDockingTabEventArgs | Provides data for the AutoCreatedDockingTab event. |
| BeforeSelectWindowEventArgs | Arguments for the before select MDI child window event handler. |
| C1Border | This class allows you to add borders to a C1ToolBar object. |
| C1Command | The base for specialized commands such as button (a plain button, the only action is invoke), submenu (points to a menu or a toolbar), textbox (text entry), list, combo etc. etc. |
| C1CommandControl | Arbitrary controls can be contained in toolbars. This functionality is provided by the class C1CommandControl, derived from C1Command. |
| C1CommandDock | The C1CommandDock control provides docking and floating capabilities to C1Command toolbars (class C1ToolBar) and tab controls (class C1DockingTab). |
| C1CommandException | This class is for internal use only. |
| C1CommandHolder | Holds C1Command objects defined on the form. |
| C1CommandLink | C1CommandLink serves as a link to a C1Command component. C1CommandLink can be added to menu/tool bars and customized as needed. The actual action is performed by the C1Command proxy points to. |
| C1CommandLinks | C1CommandLinks |
| C1CommandMdiList | C1CommandMdiList. |
| C1CommandMenu | Summary description for C1CommandMenu. |
| C1Commands | Represents a collection of C1Command |
| C1ContextMenu | Context menu. |
| C1CustomizerForm | Represents a main customization form. |
| C1DockingManager | Allows to customize docking behavior for associated C1DockingTab or C1DockingTabPage control. |
| C1DockingTab | This class implements the familiar tab control interface: several overlaying pages (each of which can contain arbitrary controls) accessible via tabs at the side of the control. |
| C1DockingTabPage | Represents a single tab page in a C1DockingTab. |
| C1DockingTabPages | Represents a collection of C1DockingTabPage elements. |
| C1MainMenu | Window's main menu control. |
| C1NavBar | Represents an Outlook-style navigation bar control. |
| C1NavBarButton | |
| C1NavBarButton.ButtonCollection | |
| C1NavBarHorizontalRule | |
| C1NavBarOptionsForm | |
| C1NavBarPanel | |
| C1NavBarPanel.PanelCollection | |
| C1NavBarSectionHeader | |
| C1NavBarTheme | Represents a set of color properties to customize appearance of C1NavBar. |
| C1NewToolbarForm | Represents dialog for entering a new toolbar name. |
| C1OutBar | Outlook-style container/tab control. |
| C1OutPage | Represents a single page in a C1OutBar. |
| C1OutPage.C1OutPageControlCollection | Represents a collection of control objects. |
| C1OutPages | The collection of outbar pages. |
| C1RadialMenu | Represents a radial menu. |
| C1SelectMdiChildForm | Summary description for C1SelectMdiChildForm. |
| C1SelectMdiChildForm.WindowItem | Represents one window in the window list |
| C1SideCaption | Represents a class for SideCaption property of a C1CommandMenu |
| C1Stack | Simple stack with indexed access, based on System.Collections.ArrayList |
| C1ToolBar | A themeable control that contains one or more buttons. |
| C1TopicBar | Represents a collection of links or commands organized into various groups, mimicking the navigation bar seen in Windows XP. |
| C1TopicBarClickEventArgs | |
| C1TopicBarPageEventArgs | |
| C1TopicLink | Represents a topic bar link. |
| C1TopicLinkCollection | Represents a collection of C1TopicLink objects. |
| C1TopicPage | Summary description for CTopicPage. |
| C1TopicPageCollection | Represents a collection of C1TopicPage objects. |
| CheckedChangedEventArgs | Arguments for the check auto toggle event handler. |
| ClickEventArgs | Arguments for the command Click event handler. |
| CommandClickEventArgs | Arguments for the CommandClick event handler. |
| CommandLinkEventArgs | Provides data for the CommandLinkAdded or CommandLinkRemoved event. |
| CommandStateQueryEventArgs | Arguments for the command status query event handler. |
| CommandStrings | Static class containing UI strings used by the designer. |
| CommandStrings.Design | |
| CommandStrings.Errors | |
| CommandStrings.Strings | |
| ContextInfo | Describes data related to the invokation of a context menu |
| CustomizeLinkEventArgs | Provides data for the CustomizeLink event. |
| CustomizeToolBarEventArgs | Provides data for the CustomizeToolBar event. |
| DockingAnchorsEventArgs | Represents the arguments, associated with a C1DockingManager.QueryEnabledAnchors event. |
| DrawArrowEventArgs | Provides data for the DrawArrow event. |
| DrawBarEventArgs | Provides data for the DrawBar event. |
| DrawFloatingCaptionEventArgs | Provides data for the DrawFloatingCaption event. |
| DrawLinkEventArgs | Provides data for the DrawLink event. |
| DrawPageEventArgs | Provides data for the DrawPage event. |
| DrawTabEventArgs | Provides data for the DrawTab event. |
| DropDownEventArgs | Provides data for the DropDown event. |
| FindTypeByName | |
| FloatingEventArgs | Represents the arguments, associated with a C1DockingManager.Floating event. |
| FloatingWindowCreatedEventArgs | Provides data for the FloatingWindowCreatedEventArgs event. |
| LayoutLinkEventArgs | Provides data for the LayoutLink event. |
| MeasureFloatingCaptionEventArgs | Provides data for the MeasureFloatingCaption event. |
| MeasureLinkEventArgs | Provides data for the MeasureLink event. |
| MeasurePageEventArgs | Provides data for the MeasurePage event. |
| MeasureTabEventArgs | Provides data for the MeasureTab event. |
| NavBarBaseStyle | |
| NavBarBorderStyle | |
| NavBarButtonStyle | |
| NavBarCancelEventArgs | |
| NavBarCommonButtonStyle | |
| NavBarGripStyle | |
| NavBarHeaderStyle | |
| NavBarPanelHeaderStyle | |
| NavBarPanelStyle | |
| NavBarSectionHeaderStyle | |
| NavBarSectionStyle | |
| NavBarSeparatorStyle | |
| NavBarStyle | |
| PageClickEventArgs | Provides data for the PageClick event. |
| Pair | |
| PanelCancelEventArgs | Provides data for the PanelClosing event. |
| PanelEventArgs | Provides data for the PanelClosed event. |
| RadialMenuCommandItem | Represents a radial menu item associated with a C1Command. |
| RadialMenuItem | Represents a radial menu item, possibly with a sub-menu. |
| RadialMenuItemBase | Abstract base class for items in a radial menu. |
| RadialMenuItemClickEventArgs | Arguments for the RadialMenuItemClickEventHandler event handler. |
| RadialMenuItemCollection | |
| ResizeEventArgs | Represents the arguments, associated with a C1DockingManager.Resize event. |
| ResizingEventArgs | Represents the arguments, associated with a C1DockingManager.Resizing event. |
| SelectedIndexChangingEventArgs | Provides data for the SelectedIndexChanging event. |
| TabPageCancelEventArgs | Provides data for the TabPageClosing event. |
| TabPageEventArgs | Provides data for the TabPageClosed event. |
| TabPageMovedEventArgs | Provides data for the TabPageMoved event. |
| TopicBarPagesStyle | |
| TopicBarStyle | |
| TopicLinkStatesStyle | |
| TopicLinkStyle | |
| TopicPageCaptionStyle | |
| TopicPageStyle | |
| UIStrings | Represents a collection of end user visible UI strings. |
| UIStringsItemEventArgs | Provides data for an UIStrings item related event. |