+ // Don't try setting the date if it's out of range: calendar control
+ // under XP (and presumably all the other pre-Vista Windows versions)
+ // doesn't return false from DateTime_SetSystemtime() in this case but
+ // doesn't actually change the date, so we can't update our m_date
+ // unconditionally and would need to check whether it was changed
+ // before doing it. It looks simpler to just check whether it's in
+ // range here instead.
+ //
+ // If we ever drop support for XP we could rely on the return value of
+ // DateTime_SetSystemtime() but this probably won't happen in near
+ // future.
+ wxDateTime dtStart, dtEnd;
+ GetRange(&dtStart, &dtEnd);
+ if ( (dtStart.IsValid() && dt < dtStart) ||
+ (dtEnd.IsValid() && dt > dtEnd) )
+ {
+ // Fail silently, some existing code relies on SetValue() with an
+ // out of range value simply doing nothing -- so don't.
+ return;
+ }