Delphi ActiveX Requires Chilkat v11.0.0+

List Email UIDs

List the UIDs of each email in a mailbox. Delphi ActiveX

var
success: Integer;
imap: TChilkatImap;
fetchUids: Integer;
messageSet: TMessageSet;
i: Integer;
n: Integer;

begin
success := 0;

imap := TChilkatImap.Create(Self);

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

//  Connect to an IMAP server.
//  Use TLS
imap.Ssl := 1;
imap.Port := 993;
success := imap.Connect('MY-IMAP-DOMAIN');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

//  Login
success := imap.Login('MY-IMAP-LOGIN','MY-IMAP-PASSWORD');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

//  Select an IMAP mailbox
success := imap.SelectMailbox('Inbox');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

//  Get the message IDs of all the emails in the mailbox
//  We can choose to fetch UIDs or sequence numbers.
fetchUids := 1;
messageSet := TMessageSet.Create(Self);
success := imap.QueryMbx('ALL',fetchUids,messageSet.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

i := 0;
n := messageSet.Count;
while i < n do
  begin
    Memo1.Lines.Add(IntToStr(messageSet.GetId(i)));
    i := i + 1;
  end;

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