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(Delphi DLL) Get Email Date/Time

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

Chilkat for Delphi Downloads

Chilkat non-ActiveX DLL for Delphi

Chilkat ActiveX DLL for Delphi

* The examples here use the non-ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
email: HCkEmail;
success: Boolean;
dtTime: HCkDateTime;
bLocalTime: Boolean;
unixTime: Integer;
dtObj: HCkDtObj;

begin
email := CkEmail_Create();

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

dtTime := CkEmail_GetDt(email);
if (CkEmail_getLastMethodSuccess(email) = False) then
  begin
    Memo1.Lines.Add('Email has no Date header field.');
    Exit;
  end;

// Once we have the CkDateTime object, we can get the date/time in all sorts of formats:

// Get as a RFC822 GMT string:
bLocalTime := False;
Memo1.Lines.Add(CkDateTime__getAsRfc822(dtTime,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 := True;
Memo1.Lines.Add(CkDateTime__getAsRfc822(dtTime,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 := CkDateTime_GetAsUnixTime(dtTime,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 := CkDateTime_GetDtObj(dtTime,bLocalTime);
if (CkDateTime_getLastMethodSuccess(dtTime) = False) then
  begin
    Memo1.Lines.Add('This should never really happen!');
    Exit;
  end;

Memo1.Lines.Add(IntToStr(CkDtObj_getDay(dtObj)) + '-' + IntToStr(CkDtObj_getMonth(dtObj)) + '-' + IntToStr(CkDtObj_getYear(dtObj))
     + ' ' + IntToStr(CkDtObj_getHour(dtObj)) + ':' + IntToStr(CkDtObj_getMinute(dtObj)) + ':' + IntToStr(CkDtObj_getSecond(dtObj)));

CkDtObj_Dispose(dtObj);
CkDateTime_Dispose(dtTime);

CkEmail_Dispose(email);

end;

 

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