Describes the Ribbon bar command search ("Tell me") icon style.

Enumerator
BCGPRibbonCommandSearchIcon_Default	Default icon: light Bulb if control is located on the Ribbon tabs, Magnifier - on caption.
BCGPRibbonCommandSearchIcon_LightBulb	Search icon is a light bulb.
BCGPRibbonCommandSearchIcon_Magnifier	Search icon is a magnifier.