/**
This function should be used instead of changing
@c wxCAL_NO_MONTH_CHANGE style bit. It allows or disallows the user to
- change the month interactively. Note that if the month can not be
- changed, the year can not be changed neither.
+ change the month interactively. Note that if the month cannot be
+ changed, the year cannot be changed neither.
@return @true if the value of this option really changed or @false if
it was already set to the requested value.