code: func (v *Calendar) GetDate() (year, month, day uint) {
  	var cyear, cmonth, cday C.guint
  	C.gtk_calendar_get_date(v.native(), &cyear, &cmonth, &cday)
  	return uint(cyear), uint(cmonth), uint(cday)
  }
docs: // GetDate is a wrapper around gtk_calendar_get_date().