Objective-C

List Email UIDs

List the UIDs of each email in a mailbox. Objective-C

#import <CkoImap.h>
#import <CkoMessageSet.h>

BOOL success = NO;

CkoImap *imap = [[CkoImap alloc] init];

//  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 = YES;
imap.Port = [NSNumber numberWithInt:993];
success = [imap Connect: @"MY-IMAP-DOMAIN"];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

//  Login
success = [imap Login: @"MY-IMAP-LOGIN" password: @"MY-IMAP-PASSWORD"];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

//  Select an IMAP mailbox
success = [imap SelectMailbox: @"Inbox"];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

//  Get the message IDs of all the emails in the mailbox
//  We can choose to fetch UIDs or sequence numbers.
BOOL fetchUids = YES;
CkoMessageSet *messageSet = [[CkoMessageSet alloc] init];
success = [imap QueryMbx: @"ALL" bUid: fetchUids msgSet: messageSet];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

int i = 0;
int n = [messageSet.Count intValue];
while (i < n) {
    NSLog(@"%d",[messageSet GetId: [NSNumber numberWithInt: i]]);
    i = i + 1;
}

//  Disconnect from the IMAP server.
success = [imap Disconnect];