/**
@class wxCalendarEvent
- @wxheader{calctrl.h}
The wxCalendarEvent class is used together with wxCalendarCtrl.
/**
@class wxCalendarDateAttr
- @wxheader{calctrl.h}
wxCalendarDateAttr is a custom attributes for a calendar date. The objects
of this class are used with wxCalendarCtrl.
/**
@class wxCalendarCtrl
- @wxheader{calctrl.h}
The calendar control allows the user to pick a date. The user can move the
current selection using the keyboard and select the date (generating