Description |
The DecodeDate procedure extracts year, month and day values from a given SourceDate TDateTime type value.
It stores the values in the output variables : Year, Month and Day.
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Related commands |
DecodeDateTime |
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Breaks a TDateTime variable into its date/time parts |
DecodeTime |
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Break a TDateTime value into individual time values |
EncodeDate |
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Build a TDateTime value from year, month and day values |
EncodeDateTime |
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Build a TDateTime value from day and time values |
EncodeTime |
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Build a TDateTime value from hour, min, sec and msec values |
RecodeDate |
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Change only the date part of a TDateTime variable |
RecodeTime |
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Change only the time part of a TDateTime variable |
ReplaceDate |
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Change only the date part of a TDateTime variable |
ReplaceTime |
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Change only the time part of a TDateTime variable |
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Example code : Add a month to a date and then extract the year, month and day values |
var
myDate : TDateTime;
myYear, myMonth, myDay : Word;
begin // Set up the myDate variable to have a December 2000 value
myDate := StrToDate('29/12/2000');
// Now add a month to this value
myDate := IncMonth(myDate);
// And let us see what we get
DecodeDate(myDate, myYear, myMonth, myDay);
WriteLn('myDate now = '+DateToStr(myDate));
WriteLn('myDay = '+IntToStr(myDay));
WriteLn('myMonth = '+IntToStr(myMonth));
WriteLn('myYear = '+IntToStr(myYear));
end;
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Show full unit code |
myDate now = 29/01/2001
myDay = 29
myMonth = 1
myYear = 2001
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