Mega Code Archive
Decodedatetime - breaks a tdatetime variable into its date-time parts dateutils unit
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procedure DecodeDateTime ( const SourceDate : TDateTime; out Year, Month, Day, Hour, Min, Sec, MSec : Word ) ;
Description
The DecodeDateTime procedure extracts year, month, day, hour, minute, second and milli-second values from a given SourceDate TDateTime type value.
It stores the values in the output variables : Year, Month, Day, Hour, Min, Sec and MSec.
Related commands
DecodeDate Extracts the year, month, day values from a TDateTime var.
DecodeTime Break a TDateTime value into individual time values
EncodeDate Build a TDateTime value from year, month and day values
EncodeDateTime Build a TDateTime value from day and time values
EncodeTime Build a TDateTime value from hour, min, sec and msec values
RecodeDate Change only the date part of a TDateTime variable
RecodeTime Change only the time part of a TDateTime variable
ReplaceDate Change only the date part of a TDateTime variable
ReplaceTime Change only the time part of a TDateTime variable
Example code : Add a month to the date and then extract the date/time individual values
var
myDate : TDateTime;
myYear, myMonth, myDay : Word;
myHour, myMin, mySec, myMilli : Word;
begin
// Set up the myDate variable to have a December 2000 value
myDate := StrToDateTime('29/12/2000 12:45:12.34');
// Now add a month to this value
myDate := IncMonth(myDate);
// And let us see what we get
DecodeDateTime(myDate, myYear, myMonth, myDay,
myHour, myMin, mySec, myMilli);
ShowMessage('myDate now = '+DateToStr(myDate));
ShowMessage('myHour = '+IntToStr(myHour));
ShowMessage('myMin = '+IntToStr(myMin));
ShowMessage('mySec = '+IntToStr(mySec));
ShowMessage('myMilli = '+IntToStr(myMilli));
ShowMessage('myDay = '+IntToStr(myDay));
ShowMessage('myMonth = '+IntToStr(myMonth));
ShowMessage('myYear = '+IntToStr(myYear));
end;
Show full unit code
myDate now = 29/01/2001
myHour = 12
myMin = 45
mySec = 12
myMilli = 34
myDay = 29
myMonth = 1
myYear = 2001
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