(Objective-C) Transition from Imap.Sort to Imap.QueryMbx

Provides instructions for replacing deprecated Sort method calls with QueryMbx.

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

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

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

// ...
// ...

NSString *searchCriteria = @"FROM bob@example.com";
BOOL bUid = YES;
NSString *sortCriteria = @"DATE SUBJECT";

// ------------------------------------------------------------------------
// The Sort method is deprecated:

CkoMessageSet *msgSetObj = [imap Sort: sortCriteria charset: @"utf-8" searchCriteria: searchCriteria bUid: bUid];
if (imap.LastMethodSuccess == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// ...
// ...

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

// The following properties are used instead of function arguments.
imap.SortCriteria = @"DATE SUBJECT";
imap.SearchCharset = @"utf-8";

CkoMessageSet *mset = [[CkoMessageSet alloc] init];
BOOL success = [imap QueryMbx: searchCriteria bUid: bUid msgSet: mset];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}