public static string ToStringJa(int?year, int?month, int?day)
{
DateUnitType type = GetType(year, month, day);
string result = "";
switch (type)
{
case DateUnitType.YearMonthDay:
result = string.Format(Resources.YearMonthDay, ToYearString(year), ToMonthString(month), ToDayString(day));
break;
case DateUnitType.YearMonth:
result = string.Format(Resources.YearMonth, ToYearString(year), ToMonthString(month));
break;
case DateUnitType.Year:
result = ToYearString(year) + Resources.Year;
break;
}
return(result);
}
public static DateTime?CreateDateTime(int?year, int?month, int?day)
{
DateUnitType type = GetType(year, month, day);
DateTime? dateTime = null;
switch (type)
{
case DateUnitType.YearMonthDay:
dateTime = new DateTime(year.Value, month.Value, day.Value);
break;
case DateUnitType.YearMonth:
dateTime = new DateTime(year.Value, month.Value, 1);
break;
case DateUnitType.Year:
dateTime = new DateTime(year.Value, 1, 1);
break;
}
return(dateTime);
}
public static string ToString(DateUnit dateUnit)
{
if (dateUnit == null)
{
return("");
}
DateUnitType type = dateUnit.DateUnitType;
if (type == DateUnitType.YearMonthDay)
{
return(dateUnit.ToYearMonthDayString());
}
else if (type == DateUnitType.YearMonth)
{
return(dateUnit.ToYearMonthString());
}
else if (type == DateUnitType.Year)
{
return(dateUnit.ToYearString());
}
return("");
}
