TryEncodeDateMonthWeek
Encode a year, month, week of month and day of week to a TDateTime value
Declaration
Source position: dateutil.inc line 332
function TryEncodeDateMonthWeek(const AYear: Word; const AMonth: Word;
const AWeekOfMonth: Word;
const ADayOfWeek: Word;
out AValue: TDateTime) : Boolean;
Description
TryEncodeDateTime encodes the values AYearAMonth, WeekOfMonth,ADayOfWeek, to a date value and returns this value in AValue.
If the encoding was successful, True is returned, False if any of the arguments is not valid.
See also
Name | Description |
---|---|
DecodeDateMonthWeek | Decode a TDateTime value in a month, week of month and day of week |
EncodeDateDay | Encodes a year and day of year to a TDateTime value |
EncodeDateMonthWeek | Encodes a year, month, week of month and day of week to a TDateTime value |
EncodeDateTime | Encodes a TDateTime value from all its parts |
EncodeDateWeek | Encode a TDateTime value from a year, week and day of week triplet |
NthDayOfWeek | Calculate which occurrence of weekday in the month a given day represents |
TryEncodeDateDay | Encode a year and day of year to a TDateTime value |
TryEncodeDateTime | Encode a Year, Month, Day, Hour, minute, seconds, milliseconds tuplet to a TDateTime value |
TryEncodeDateWeek | Encode a year, week and day of week triplet to a TDateTime value |
Example
Program Example86;
{ This program demonstrates the TryEncodeDateMonthWeek function }
Uses SysUtils,DateUtils;
Var
Y,M,Wom,Dow : Word;
TS : TDateTime;
Begin
DecodeDateMonthWeek(Now,Y,M,WoM,DoW);
If TryEncodeDateMonthWeek(Y,M,WoM,Dow,TS) then
Writeln('Today is : ',DateToStr(TS))
else
Writeln('Invalid year/month/week/dow indication');
End.