| Class | Description |
| AngleConverter | Multiplies supplied double value by the parameter value. |
| ArcSegmentDef | Keeps arc segment definition properties which can be used in xaml to draw the ArcSegment. |
| AutomationPeerFactory | This class is for internal use only. |
| AutoSearchBufferChangedEventArgs | Provide data for the AutoSearchBufferChanged event. |
| BackgroundGradientSuppressor | Hides the BackgroundGradient when the background is transparent or not a solid color. |
| C1BrushBuilder | Builds a Brush from an Input color a Design brush and a color base extrapolating the design brush. |
| C1ComboBox | The C1ComboBox control combines an editable text box with an auto-searchable drop-down list. The list can be shown or hidden by clicking the control’s drop-down arrow. |
| C1ComboBoxItem | Implements a selectable item inside a C1ComboBox. |
| C1Command | Defines a command that implements ICommand and is routed through the element tree. Limitation: when converting from string, doesn't honor xaml namespaces. If you have several classes with the same name in different namespaces, don't set command in xaml as string, use binding syntax instead. |
| C1ContextMenu | The C1ContextMenu control represents a menu that can be displayed when the user clicks the right mouse button over a control. |
| C1ContextMenuService | Represents a service that provides static methods to display a context menu. |
| C1DataTemplateSelector | Provides a way to apply data templates based on custom logic. |
| C1DelegateCommand | Utility class that helps creating an System.Windows.Input.ICommand from the delegates execute and canExecute. |
| C1DockPanel | Defines an area where you can arrange child elements either horizontally or vertically, relative to each other. |
| C1DragCompletedEventArgs | Contains information of the DragCompleted event. |
| C1DragDeltaEventArgs | Contains information of the DragDelta event. |
| C1DragDropManager | Provides methods for drag-and-drop operations in Silverlight applications. |
| C1DragEventArgs | Contains information of the drag events. |
| C1DragHelper | Cross-platform helper for listening to drag gestures supporting inertia. |
| C1DragInertiaStartedEventArgs | Contains information of the DragInertiaStarted event. |
| C1DragStartedEventArgs | Contains information of the DragStarted event. |
| C1DragStartingEventArgs | Contains information of the DragStarting event. |
| C1DropDown | C1DropDown provides a generic drop-down control with a Header property that determines what the user sees when the drop-down part of the control is closed, and a Content property that determines what goes into the drop-down section. |
| C1DropDownButton | C1DropDown provides a generic drop-down control with a Header property that determines what the user sees when the drop-down part of the control is closed, and a Content property that determines what goes into the drop-down section. |
| C1EditableContentControl | ContenControl that supports edit mode using a TextBox. ContenControl that supports edit mode. |
| C1FilePicker | File picker that opens a dialog box control to allows you to select one or more files. |
| C1HeaderedContentControl | Provides the base implementation for all controls that contain single content and have a header. |
| C1HeaderedItemsControl | Represents a control that can be used to present a collection of items which have header and content. |
| C1HierarchicalDataTemplate | Represents a DataTemplate that supports C1HierarchicalPresenter, such as TreeViewItem. |
| C1HierarchicalPresenter | Represents a control that contains multiple items and has a header. |
| C1HyperPanel | Arranges child elements in a stack and applies a dynamic zoom effect to the elements near the mouse. |
| C1InputEventArgs | Contains information of the drag events. |
| C1ItemsControl | Represents a control that can be used to present a collection of items. |
| C1LayoutRounder | Wrapper to get layout rounding in WPF 3.5. |
| C1LayoutTransformer | Represents a control that applies a layout transformation to its Content. |
| C1LinePanel | C1LinePanel arranges a list of items in a single row or column. |
| C1ListBox | List of items which can be used with heavy templates and preview template to scroll quickly. |
| C1ListBoxItem | |
| C1ListViewer | List of items which can be used with heavy templates and preview template to scroll quickly. |
| C1ListViewerItem | Visual element used inside a C1ListViewer. |
| C1ListViewerPanel | Virtualizing stack panel which supports preview templates in order to scroll quickly. |
| C1MaskedTextBox | Represents a control that uses a mask to prevent users from entering invalid data. The C1MaskedTextBox is an editor that uses a mask to prevent end-users from entering invalid data. |
| C1Menu | The C1Menu control enables you hierarchically organize elements associated with event handlers. |
| C1MenuItem | Represents a selectable item inside a C1Menu control. |
| C1MenuList | List of menu items. This list can be set as the content of a dropdown to make a drop down list. |
| C1MessageBox | Displays a message box. |
| C1MessageBoxContent | Control that displays the content of a message box. It's meant to be used inside a C1Window. |
| C1NagScreen | Dialog shown when unlicensed products are used (evaluation dialog). |
| C1NumericBox | The C1NumericBox control is a numeric editor that allows you to display and edit numeric values in many formats. |
| C1OrderedSet | Collection of ordered System.Int32. |
| C1ProgressBar | Visual element which indicates the progress of an operation. C1ProgressBar represents a control that indicates indeterminate progress of an operation. |
| C1ProgressBarTemplateSettings | Seetings of C1ProgressBar to be used in the control template. |
| C1ProgressIndicator | Visual element which indicates application busy state. C1ProgressIndicator represents a control that indicates applycation busy state. |
| C1ProjectThicknessConverter | Converter used to extract a specific member of a thickness structure. |
| C1PromptBox | Displays a message box to get user input. |
| C1PromptBoxContent | Control that displays the content of a prompt box. It's meant to be used inside a C1Window. |
| C1PropertyPathHelper | Provides helper methods to work with System.Linq.Expressions.Expression and property paths. |
| C1RadialBackgroundPresenter | The supplementary control to use in the C1RadialMenu control template. |
| C1RadialColorItem | An item for color selection inside a C1RadialMenu control. |
| C1RadialColorItemsPresenter | Used within the template of the C1RadialMenu control to specify where submenu of the C1RadialColorItem should be placed. |
| C1RadialMenu | The C1RadialMenu control represents a touch-friendly alternative to the traditional context menu. |
| C1RadialMenuItem | Represents a selectable item inside a C1RadialMenu control. |
| C1RadialMenuItemsPresenter | Used within the template of the C1RadialMenu control to specify where items are placed. |
| C1RadialNumericItem | An item for numeric items selection inside a C1RadialMenu control. |
| C1RadialPanel | Positions child elements in a circle, from the StartAngle to the EndAngle in the clockwise direction. |
| C1RadialSlider | Used within the template of the C1RadialMenu control to display radial slider for selecting numeric values. control to display radial slider for selecting numeric values. |
| C1RangeSlider | The C1RangeSlider control enables the end-user to select two values from a range by moving two Thumb controls along a track. |
| C1RoutedEventArgs | The base class for CanExecuteRoutedEventArgs and ExecutedRoutedEventArgs classes. Provides some additional properties comparing to the System.Windows.RoutedEventArgs class. |
| C1ScrollCompletedEventArgs | Contains information of the ScrollCompleted event. |
| C1ScrollDeltaEventArgs | Contains information of the ScrollDelta event. |
| C1ScrollEventArgs | Contains information of the scroll events. |
| C1ScrollHelper | Cross-platform helper for listening to scroll gestures using mouse wheel. |
| C1ScrollStartedEventArgs | Contains information of the ScrollStarted event. |
| C1ScrollViewer | Represents a scrollable area that can contain other visible elements. |
| C1SelectionManager<T> | Provides basic logic to handle item selection using different selection modes. |
| C1Separator | Control that is used to separate items in menus and toolbar. |
| C1SideRadiusConverter | Converter used to bind specific inner element corner radius to the control CornerRadius. |
| C1SideThicknessConverter | Converter used to bind specific sides of inner elements thickness to the main control thickness. |
| C1SlideContentControl | System.Windows.Controls.ContentControl which allows specifying a value between 0 and 1 to perform slide animations which affect the layout. |
| C1SlopedBorderAdjustConverter | Converter used to adjust a path so that it renders its stroke inside and not to both side of its position. |
| C1SplitButton | Button which contains another button in the right side which opens a popup. |
| C1StyleSelector | Provides a way to apply styles based on custom logic. |
| C1TabControl | Represents a control that contains multiple items that share the same space on the screen. |
| C1TabControlAutomationPeer | Exposes C1TabControl to UI automation |
| C1TabItem | Represents a selectable item in a C1TabControl. |
| C1TabItemAutomationPeer | Exposes C1TabItem to UI automation |
| C1TabItemBorder | Control containing the header of a C1TabItem. Supports different appearances, defined by the Shape property. |
| C1TabItemBorderClipConverter | Converter used to clip off the bottom part of ribbon borders. |
| C1TabItemPresenter | Internal element used in both C1TabItem and C1DockTabItem to avoid repetition. |
| C1TabPanel | Internal element used in the control template of C1TabControls. |
| C1TapHelper | Cross-platform helper for listening to tapped and double-tapped events. |
| C1TappedEventArgs | Contains information of the tap events. |
| C1TextEditableContentControl | Dual control that provides a System.Windows.Controls.TextBox on edit mode, and a System.Windows.Controls.ContentControl on readonly mode. |
| C1TileListBox | List of items displayed in columns determined by the size of the items. |
| C1TileListBoxPanel | Virtualizing panel which render the items in columns depending on the size of the items. |
| C1TreeView | Represents a control that displays hierarchical data in a tree structure that has items that can expand and collapse. |
| C1TreeViewExpandButton | Expand/Co |
| C1TreeViewItem | Implements a selectable item in a C1TreeView control. |
| C1TreeViewLine | Vertical connecting line. |
| C1TreeViewLinePanel | A Panel which contains the vertical lines. |
| C1TreeViewPanel | Virtualizing stack panel. |
| C1UniformGrid | Provides a way to arrange content in a grid where all the cells in the grid have the same size. |
| C1ValidationDecorator | Displays binding validation errors. |
| C1Window | Shows content in a window inside Silverlight. |
| C1WrapPanel | Positions child elements sequentially from top to bottom or from right to left, depending on the value of the Orientation property. |
| C1ZoomCompletedEventArgs | Contains information of the ZoomCompleted event. |
| C1ZoomDeltaEventArgs | Contains information of the ZoomDelta event. |
| C1ZoomEventArgs | Contains information of the zoom events. |
| C1ZoomHelper | Cross-platform helper for listening to zoom gestures either using the mouse or fingers. |
| C1ZoomStartedEventArgs | Contains information of the ZoomStarted event. |
| C1ZoomUnitTypeConverter | Converts a string to a C1ZoomUnit and vice versa. |
| CancelEventArgs | Provides data for a cancelable event. |
| CancelSourceEventArgs | Provides data for a cancelable event. |
| CanExecuteRoutedEventArgs | Provides data for the CommandBinding.CanExecute and CommandBinding.PreviewCanExecute routed events. |
| CharConverter | Converts chars to strings. |
| ClearStyleExtensions | Attached properties used to pass brushes to Microsoft controls. |
| Clipboard | Provides access to the clipboard. |
| ColorConverter | Converts between Colors and Brushes. |
| CommandBinding | Binds an System.Windows.Input.ICommand to the event handlers that implement the command. |
| CommandConverter | Converts an System.Windows.Input.ICommand object to and from other types. |
| CommandExtensions | Provides attached properties emulating ICommandSource interface. |
| CommandManager | Provides command related utility methods that register CommandBinding objects for class owners and commands, add and remove command event handlers, and provides services for querying the status of a command. |
| CustomConverter | Converter which receive a function to convert the value |
| DockExtensions | Provides exntesions methods for Dock. |
| DoubleToThicknessConverter | Converts double value to the thickness with uniform length on each side. |
| DragDropEventArgs | Class that contains data for drag-and-drop events. |
| ExecutedRoutedEventArgs | Provides data for the CommandBinding.Executed and CommandBinding.PreviewExecuted routed events. |
| ExpandButtonTagConverter | When clear style,ExpandButton tag will be null, it can not converter to double |
| Extensions | Class that provides static extension methods for several other classes. |
| ItemPreparedEventArgs | Contains event data for the item prepared/cleared event. The event is associated to the PrepareContainerForItemOverride and ClearContainerForItemOverride methods of classes derived from C1HierarchicalPresenter. PrepareContainerForItemOverride and ClearContainerForItemOverride are invoked to prepare/clear a visual element to display the specified data bound item. |
| KeyboardUtil | Keyboard utilities. |
| LineDefinition | Defines row or column specific properties that apply to C1LinePanel elements. |
| MaskedTextChangedEventArgs | Provides data for the C1MaskedTextBox.MaskedTextChanged event. |
| OpacityConverter | Converter used to convert System.Boolean values into opacity values. true = 1, false = 0. |
| PopupUtil | Utility methods for popups. |
| PositionChangedEventArgs | Provides data for the C1Window.PositionChanged event. |
| PrepareDropDownEventArgs | Argument of the event fired before the drop-down box is opened. |
| PropertyChangedEventArgs<T> | Provides event data for OnPropertyChanged events. |
| PropertyChangingEventArgs<T> | Provides event data for OnPropertyChanging events. |
| ScrollBarCornerRadiusBuilder | Element used inside ScrollBar template in order to provide the appropriate CornerRadius for the scrollbar buttons. |
| ScrollViewerContentPresenterClip | Element used inside ScrollViewer template in order to provide the appropriate Clip for ScrollContentPresenter. |
| ScrollViewerCornerRadiusBase | Element used inside ScrollViewer template in order to provide the appropriate CornerRadius for the scrollbars and scroll content presenter. |
| ScrollViewerCornerRadiusBuilder | Element used inside ScrollViewer template in order to provide the appropriate CornerRadius for the scrollbars. |
| ScrollViewerTouchBehavior | Adds touch support to MS ScrollViewer to scroll with the finger over the scrolling area. |
| SelectionChangedEventArgs<T> | Provides data for the SelectionChanged event. |
| SelectionChangingEventArgs | Provide data for the SelectionChanging event. |
| SmallShapePresenter | Internal class. Wrap a Shape object, such as a Path, with a SmallShapePresenter to prevent the shape from taking all available space when MaxHeight/MaxWidth is less than infinity. |
| SourcedEventArgs | Contains data for events with a source different from the object firing the event. |
| TextEditedEventArgs | AutoComplete event details. |
| Trace | Provides a set of methods and properties that help you trace the execution of your code. This class cannot be inherited. |
| TypeEx | The TypeEx class provides useful extension methods for the System.Type class. |
| ValidateInputEventArgs | Arguments for the event fired to validate the input. |
| VisibilityConverter | Converter from/to Visibility and Boolean. |
| VTreeHelper | The VTreeHelper class provides utility methods that perform common tasks involving nodes in a visual tree. |
| ZoomToScaleTransformConverter | Converts a double value to a System.Windows.Media.ScaleTransform. |