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You can solve this problem by comparing number of month with number of current month and comparing number of day with number of current day, if on the first step was equal.
procedure TForm1.Button1Click(Sender: TObject);
var
NowYear, NowMonth, NowDay: Word;
Year, Month, Day: Word;
YearsOld: Word;
begin
if Edit1.Text<>'' then
begin
DecodeDate(Now, NowYear, NowMonth, NowDay);
DecodeDate(StrToDateTime(Edit1.Text), Year, Month, Day);
if NowMonth>Month then
YearsOld:=NowYear-Year;
if NowMonth<Month then
YearsOld:=NowYear-Year-1;
if NowMonth=Month then
begin
if NowDay>=Day then
YearsOld:=NowYear-Year;
if NowDay<=Day then
YearsOld:=NowYear-Year-1;
end;
Label2.Caption:=IntToStr(YearsOld)+' years old';
end;
end;
- Related topics
-
Get difference between of 2 dates
Get days count in month
Get week number of the year
Put current time to the title
- For more
-
Delphi Help
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