Title: to read a file datetime
Question: How to read a file age as TDateTime?
Answer:
If you want to receive a datetime of the specified file, then you must to call a FileAge function and convert this value using the FileDateToDateTime function into a TDateTime value:
function GetFileDateTime(FileName: string): TDateTime;
var intFileAge: LongInt;
begin
intFileAge := FileAge(FileName);
if intFileAge = -1 then
Result := 0
else
Result := FileDateToDateTime(intFileAge)
end;