If TRUE , the decimal point is printed when exactly zero decimal places are displayed. A picture string uses text characters and their relative positions to indicate how to set formatting attributes. The width attribute is set to the length of the picture string. Other attributes are changed depending on the characters in the picture. The table below lists valid formatting characters.
Attributes here have their effect at the left of the number.
Immediately to the left of the separator character. Attributes here have their effect just to the left of the number's digits. Immediately to the right of the separator character. Attributes here have their effect just to the right of the number's digits. At the far right of the picture string.