deferred class
	EV_PROGRESS_BAR

Ancestors
	EV_GAUGE*

Descendants
	EV_HORIZONTAL_PROGRESS_BAR
	EV_VERTICAL_PROGRESS_BAR

Clients
	EV_PROGRESS_BAR*

Suppliers
	BOOLEAN
	EV_GAUGE*
	EV_PROGRESS_BAR*
	EV_PROGRESS_BAR_I*