Extended Widgets class hierarchy

The following table describes the class hierarchy of extended widgets and class responsibilities.

Table 38. Widgets hierarchy

Class hierarchy	Responsibility
CwWidget	Defines common behavior for all widgets
CwExtendedWidget	Defines common behavior for all extended widgets
CwExtendedComposite	Defines common behavior for all extended composites
EwNotebook	Abstract superclass for notebook widgets
EwPMNotebook	Displays a OS/2 look and feel notebook
EwWINNotebook	Displays a Windows look and feel notebook
EwPage	Defines a composite that can be added to notebooks
EwSplitWindow	Splits a composite into panes and provides bars for allowing the user to resize the panes
EwToolbar	Displays and lays out rows of tools
CwExtendedPrimitive	Defines common behaviors for all extended primitives
EwScrollable	Abstract superclass for scrollable widgets
EwList	Abstract superclass for list widgets
EwIconArea	Displays list of items in free-form style
EwLinearList	Abstract superclass for linear lists of items
EwContainerList	Abstract superclass for lists that are container-like views
EwIconList	Displays single-column list of items in icon and label format
EwFlowedIconList	Displays multi-column list of items in icon and label format
EwIconTree	Displays hierarchical single-column list of items
EwTableList	Displays multi-column list of items in tabular format
EwTableTree	Displays hierarchical list of items in tabular format
EwDrawnList	Displays a list with application-drawn items
EwSlider	Displays an analog representation of a range of values
EwSpinButton	Displays an entry field with two arrow buttons for cycling through a range of values.