| Class | Description |
 | ActivityAreaUIElement | Area in which time slots, appointments, and/or holidays are displayed. |
 | ActivityGrabHandleUIElement | Displays a square on the left and/or right side of a selected AppointmentUIElement to indicate that it responds to user interface actions. |
 | ActivityIndicatorUIElementBase | Base class for appointment/holiday indicator elements. |
 | ActivityScrollButtonUIElement | Encapsulates the buttons that are displayed when not all activities can be displayed within the ActivityAreaUIElement. |
 | ActivityScrollButtonUIElement.ActivityScrollButtonAccessibleObject | The Accessible object for a column. |
 | ActivityTextUIElementBase | Base class for the AppointmentUIElement. HolidayNameUIElement classes. |
 | ActivityUIElementBase | Base class for the AppointmentUIElement and HolidayUIElement classes. |
 | ActivityUIElementBase.ActivityAccessibleObjectBase | The Accessible object for a column. |
 | AppointmentDisplaySettings | Exposes properties which control the manner in which the constituent elements of the AppointmentUIElement are displayed. |
 | AppointmentIndicatorUIElementBase | Base class for appointment indicator elements. |
 | AppointmentLocationUIElement | Displays the value of the Location property. |
 | AppointmentTextUIElementBase | Displays text for the AppointmentUIElement. |
 | AppointmentTimeUIElement | Displays the value of the StartDateTime and EndDateTime properties for an AppointmentUIElement. |
 | AppointmentUIElement | Represents an Appointment in the user interface. |
 | AppointmentUIElement.AppointmentAccessibleObject | The Accessible object for a column. |
 | ClientAreaUIElement | Represents the client area of the UltraTimelineView, which is the area inside the borders and scrollbars. |
 | ColumnHeaderAreaUIElement | Area in which the ColumnHeaderUIElements are displayed. |
 | ColumnHeaderUIElement | Displays the formatted date/time for an associated TimeSlotUIElement in the UltraTimelineView control. |
 | ColumnHeaderUIElement.ColumnHeaderAccessibleObject | The Accessible object for a column. |
 | ContainerUIElementBase | Base class for elements that do not draw anything onto the control. |
 | DateNavigationButtonUIElement | Encapsulates the buttons that are displayed when the DateNavigationButtonVisibility property resolves to a value other than 'Hide'. |
 | DateNavigationButtonUIElement.DateNavigationButtonAccessibleObject | The Accessible object for a column. |
 | DateTimeContinuationUIElement | Draws an arrow which indicates that an activity extends to a date/time that is not currently within the viewable area of the control. |
 | DateTimeIntervalLabelAreaUIElement | Area in which the ColumnHeaderUIElements are displayed. |
 | DateTimeIntervalLabelUIElement | Displays the label for a DateTimeInterval in the UltraTimelineView control. |
 | DateTimeIntervalLabelUIElement.DateTimeIntervalLabelAccessibleObject | The Accessible object for a column. |
 | HolidayDateUIElement | Displays the start and end dates for a Holiday property. |
 | HolidayNameUIElement | Displays the value of the Name property. |
 | HolidayUIElement | Represents a Holiday in the user interface. |
 | HolidayUIElement.HolidayAccessibleObject | The Accessible object for a column. |
 | HorizontalScrollSettings | Defines the range and increments for the horizontal scrollbar displayed by the UltraTimelineView control. |
 | OwnerHeaderUIElement | Displays the caption for an Owner. in the UltraTimelineView control. |
 | OwnerHeaderUIElement.OwnerHeaderAccessibleObject | The Accessible object for an Owner. |
 | OwnerUIElement | Area in which the OwnerHeaderUIElement and ActivityAreaUIElement is displayed. |
 | RecurrenceIndicatorUIElement | Indicates that the associated Appointment is a member of a recurrence. |
 | ReminderIndicatorUIElement | Indicates that the associated Appointment has an enabled Reminder. |
 | TimelineViewHeaderElementBase | Base class for the OwnerHeaderUIElement and ColumnHeaderUIElement classes. |
 | TimelineViewHeaderElementBase.HeaderAccessibleObjectBase | The Accessible object for a column. |
 | TimeSlotUIElement | Area which represents a range of time whose duration is defined by the PrimaryInterval, and optionally is associated with a specific Owner. |
 | UltraTimelineViewUIElement | UIElement-derived class which represents the UltraTimelineView control in the user interface. |