    deferred class
    	EV_TOOL_BAR_BUTTON_I

    Ancestors
    	EV_DOCKABLE_SOURCE_I*
    	EV_ITEM_I*
    	EV_PICK_AND_DROPABLE_I*
    	EV_SENSITIVE_I*
    	EV_TEXTABLE_I*
    	EV_TOOLTIPABLE_I*
    	EV_TOOL_BAR_BUTTON_ACTION_SEQUENCES_I*

    Descendants
    	EV_TOOL_BAR_BUTTON_IMP
    	EV_TOOL_BAR_DROP_DOWN_BUTTON_I*
    	EV_TOOL_BAR_RADIO_BUTTON_I*
    	EV_TOOL_BAR_TOGGLE_BUTTON_I*

    Clients
    	EV_TOOL_BAR_BUTTON