## Printer Device Driver

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### display_pens

Resets the contents of the carousel configuration list box for the current carousel. Because the display_pen function inserts its pen description at the specified position, a "dummy" string must be created for the duration of the carousel configuration construction. Once completed, this string is deleted. If any pens were selected prior to this construction, the check marks must be removed from the PenColor and Type menus and the PenColor, Type, and Options pop-up menus must be made inactive (grayed).