(Delphi ActiveX) Parse a Microsoft JSON Date (MS AJAX Date)

Demonstrates how to parse a Microsoft JSON Date, also known as an MSAJAX date.

Note: This example requires Chilkat v9.5.0.76 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
json: TChilkatJsonObject;
success: Integer;
dt: TCkDateTime;
bLocal: Integer;
dtObj: IDtObj;

begin
// Note: This example requires Chilkat v9.5.0.76 or greater.
// The ability to automatically parse Microsoft JSON Dates (AJAX Dates) was added in v9.5.0.76
json := TChilkatJsonObject.Create(Self);

success := json.Load('{ "AchievementDate":"/Date(1540229468330-0500)/"}');

dt := TCkDateTime.Create(Self);
success := json.DateOf('AchievementDate',dt.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add('Unable to parse a date/time.');
    Exit;
  end;

// Show the date in different formats:
bLocal := 1;
Memo1.Lines.Add('RFC822: ' + dt.GetAsRfc822(bLocal));
Memo1.Lines.Add('Timestamp: ' + dt.GetAsTimestamp(bLocal));
Memo1.Lines.Add('YYYY-MM-DD: ' + dt.GetAsIso8601('YYYY-MM-DD',bLocal));

// Get integer values for year, month, day, etc.
dtObj := dt.GetDtObj(bLocal);
Memo1.Lines.Add('year: ' + IntToStr(dtObj.Year));
Memo1.Lines.Add('month: ' + IntToStr(dtObj.Month));
Memo1.Lines.Add('day: ' + IntToStr(dtObj.Day));
Memo1.Lines.Add('hour: ' + IntToStr(dtObj.Hour));
Memo1.Lines.Add('minute: ' + IntToStr(dtObj.Minute));
Memo1.Lines.Add('seconds: ' + IntToStr(dtObj.Second));

// Sample output:
// RFC822: Mon, 22 Oct 2018 17:31:08 -0500
// Timestamp: 2018-10-22T17:31:08-05:00
// YYYY-MM-DD: 2018-10-22
// year: 2018
// month: 10
// day: 22
// hour: 17
// minute: 31
// seconds: 8
end;