(Delphi ActiveX) Sorting Email

Demonstrates how to sort an email bundle.

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
imap: TChilkatImap;
success: Integer;
fetchUids: Integer;
messageSet: IMessageSet;
bundle: IChilkatEmailBundle;
ascending: Integer;
i: Integer;
email: IChilkatEmail;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

imap := TChilkatImap.Create(Self);

// Connect to the IMAP server.
// Use TLS
imap.Ssl := 1;
imap.Port := 993;
success := imap.Connect('imap.someMailServer.com');
if (success <> 1) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Login
success := imap.Login('myLogin','myPassword');
if (success <> 1) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Select an IMAP mailbox
success := imap.SelectMailbox('Inbox');
if (success <> 1) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// We can choose to fetch UIDs or sequence numbers.
fetchUids := 1;

// Pass any of the above strings here to test a search:
messageSet := imap.Search('ALL',fetchUids);
if (imap.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Fetch the email headers into a bundle object:
bundle := imap.FetchHeaders(messageSet);
if (imap.LastMethodSuccess = 0) then
  begin

    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Sort the email bundle by date, recipient, sender, or subject:
ascending := 1;
bundle.SortByDate(ascending);

// To sort by recipient, sender, or subject, call 
// SortBySender, SortByRecipient, or SortBySubject.

// Display the Subject and From of each email.
i := 0;
while i < bundle.MessageCount do
  begin

    email := bundle.GetEmail(i);

    Memo1.Lines.Add(email.GetHeaderField('Date'));
    Memo1.Lines.Add(email.Subject);
    Memo1.Lines.Add(email.From);
    Memo1.Lines.Add('--');

    i := i + 1;
  end;

// Disconnect from the IMAP server.
success := imap.Disconnect();
end;