(Objective-C) Transition from Imap.FetchHeaders to Imap.FetchMsgSet

Provides instructions for replacing deprecated FetchHeaders method calls with FetchMsgSet.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat Objective-C Library Downloads MAC OS X (Cocoa) Libs iOS Libs

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

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

// ...
// ...

CkoMessageSet *mset = [[CkoMessageSet alloc] init];
BOOL success = [imap QueryMbx: @"FROM joe@example.com" bUid: YES msgSet: mset];
// ...
// ...

// ------------------------------------------------------------------------
// The FetchHeaders method is deprecated:

CkoEmailBundle *bundleObj = [imap FetchHeaders: mset];
if (imap.LastMethodSuccess == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// ...
// ...

// ------------------------------------------------------------------------
// Do the equivalent using FetchMsgSet.
// Your application creates a new, empty EmailBundle object which is passed 
// in the last argument and filled upon success.

BOOL headersOnly = YES;

CkoEmailBundle *bundleOut = [[CkoEmailBundle alloc] init];
BOOL success = [imap FetchMsgSet: headersOnly msgSet: mset bundle: bundleOut];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}