void SetFracTime(WORD milli, WORD micro, WORD nano);
  Property Description  
    Argument milli sets the Milli-Seocnds part of the date. (Valid Range = 0 to 999)  
    Argument micro sets the Micro-Seocnds part of the date. (Valid Range = 0 to 999)  
    Argument nano sets the Nano-Seocnds part of the date. (Valid Range = 0 to 9)  
    Description Populates the fractional part of this CDateTime.  
    Remarks Clears the existing contents
Throws: LtInvalidValueException thrown on parsing invalid values.
Throws: LtInvalidStateException thrown if this DateTimes current type is not either zeroYear or time.