(Delphi ActiveX) Get Email Date/Time

Demonstrates getting the email "Date" header field in a CkDateTime object.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
email: TChilkatEmail;
dtTime: TCkDateTime;
bLocalTime: Integer;
unixTime: Integer;
dtObj: TDtObj;

begin
success := 0;

email := TChilkatEmail.Create(Self);

// Load a .eml file into the email object.
success := email.LoadEml('/home/users/chilkat/eml/myEml.eml');

dtTime := TCkDateTime.Create(Self);
dtTime.SetFromRfc822(email.EmailDateStr);

// Once we have the CkDateTime object, we can get the date/time in many different formats:

// Get as a RFC822 GMT string:
bLocalTime := 0;
Memo1.Lines.Add(dtTime.GetAsRfc822(bLocalTime));

// Get as an RFC822 string in the local timezone.
// (remember, the daylight savings that existed at the given time in the past is applied)
bLocalTime := 1;
Memo1.Lines.Add(dtTime.GetAsRfc822(bLocalTime));

// Get as a 32-bit UNIX time (local or GMT..)
// The Unix time is number of seconds since the Epoch, 1970-01-01 00:00:00 +0000 (UTC). 
unixTime := dtTime.GetAsUnixTime(bLocalTime);
Memo1.Lines.Add('Unix time: ' + IntToStr(unixTime));

// One can also get the as a "DtObj" object for accessing the individual
// parts of the date/time, such as month, day, year, hour, minute, etc.
// The DtObj can be obtained in the GMT or local timezone:
dtObj := TDtObj.Create(Self);
dtTime.ToDtObj(bLocalTime,dtObj.ControlInterface);

if (dtTime.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add('This should never really happen!');
    Exit;
  end;

Memo1.Lines.Add(IntToStr(dtObj.Day) + '-' + IntToStr(dtObj.Month) + '-' + IntToStr(dtObj.Year) + ' ' + IntToStr(dtObj.Hour)
     + ':' + IntToStr(dtObj.Minute) + ':' + IntToStr(dtObj.Second));
end;