This method is only implemented in the generic version of the control
and does nothing in the native ones. It should also only be called if
the window style includes @c wxCAL_SHOW_HOLIDAYS flag or
EnableHolidayDisplay() had been called.
*/
This method is only implemented in the generic version of the control
and does nothing in the native ones. It should also only be called if
the window style includes @c wxCAL_SHOW_HOLIDAYS flag or
EnableHolidayDisplay() had been called.
*/