setDataLabelStyle([ font [, fontSize [, fontColor [, fontAngle ]]]])

Enables data labels and sets their styles.

Argument	Default	Description
font	""	The font used to draw the labels.
fontSize	8	The font size used to draw the labels.
fontColor	TextColor	The color used to draw the labels.
fontAngle	0	The rotation angle of the labels.

A TextBox object representing the prototype of the obj. This may be used to fine-tune the appearance of the obj.