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Keary Suska
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Demystifying technology for your home or business
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/selected? I assume that would happen before the popup is
opened. And probably a saner approach.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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Please do
immediately, everything should release at the next run loop cycle.
Alternatively, and I think this is a better way to go, don't bind
anything to file's owner when you are loading nibs in this way.
Instead, use outlets and/or intermediary controllers. Your sanity will
thank you.
HTH,
Keary Suska
to create an
accessor for it.
On Thu, Jan 15, 2009 at 7:19 PM, Keary Suska cocoa-...@esoteritech.com
wrote:
On Jan 15, 2009, at 1:02 AM, Vitaly Ovchinnikov wrote:
One question was solved. I found a correct keypath to bind my
document
on selected filter. It works with selection.self
,
so you can't do it there. The window controller can't have outlets to
those objects, so...
On Thu, Jan 15, 2009 at 7:40 PM, Keary Suska cocoa-...@esoteritech.com
wrote:
On Jan 15, 2009, at 9:04 AM, Vitaly Ovchinnikov wrote:
I'll try to describe it again. I have NIB, NSObject-based owner
tries to change your model's bound
property. You have two choice: 1) don't allow the table to be re-
sorted; or 2) make nameSortDescriptors key value coding compliant.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
-window, which
forces the nib to load).
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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On Jan 14, 2009, at 11:10 AM, Quincey Morris wrote:
On Jan 14, 2009, at 08:35, Keary Suska wrote:
On Jan 14, 2009, at 4:54 AM, Steven Hamilton wrote:
I have a customer WindowController class and within it I have a
method that returns a NSSortDescriptor. Like this;
-(NSArray
to solve it ?
If you search the archives you will find a few discussions on this
subject. I don't remember the reason exactly, but you just can't use
that syntax. You can use an informal protocol instead, but you won't
get the compile-time checks that protocol gives you.
HTH,
Keary Suska
to one of your controllers? The whole -
setUpFieldEditorAttributes seems a bit kludgey to me (and possibly
prone to errors).
Also, I would use an NSCharacterSet (-characterIsMember:) instead of
NSFormatter or NSSCanner. Much more lightweight.
HTH,
Keary Suska
Esoteritech, Inc
of the objects I use in this way implement NSCoding, and
maybe that matters. All other non-view objects do instantiate with
initWithCoder:, as I understand, just not generic custom objects.
Best,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
. But there is nothing
wrong, IMHO, with only one object ever listening for a specific
notification (one-to-one).
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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,
Keary Suska
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? Object Delegation Pattern http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaFundamentals/CommunicatingWithObjects/chapter_6_section_4.html#//apple_ref/doc/uid/TP40002974-CH7-SW26
? Key-Value Observation?
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home
at core data and
core animations. Are these also available for ruby and python?
- What about Mono/Cocoa#? Looks like Mono is not an good option, if
I want to distribute my app as small download via the web. Or am I
wrong?
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your
synchronous behavior you will probably have to use -
runModalForWindow:.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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all of the individual calls into one call.
HTH,
Keary Suska
Esoteritech, Inc.
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NSURLConnection is releasing the delegate using
a performSelector:withObject:afterDelay: or similar method. Running
the run loop as you remark in the code is the only way I know of to
make sure the delegate is released before the thread exits.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying
On Dec 17, 2008, at 6:36 AM, Jordon Hirshon wrote:
Can someone tell me where I might see an example of this method?
I don't know of any specific example. Perhaps if you explain what
about the method call you aren't clear on and we can offer explanations.
Best,
Keary Suska
Esoteritech
process is sent a SIGQUIT. It
would be extremely bad for launchd to send a SIGKILL as a matter of
course. You might as well just shut your computer down by turning off
the power, if that was the case.
Best,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
-
makeKeyAndOrderFront:.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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NSWindowWillBeginSheetNotification on the
NSWindow that will display the sheet?
HTH,
Keary Suska
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On Dec 5, 2008, at 3:31 PM, mark wrote:
What does 'DO' stand for?
Probably Distributed Objects.
Keary Suska
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Demystifying technology for your home or business
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Please do
. Since it looks like you have a distinct parent-child
relationship, the panel controller can own the projected
controller and hence your bridge.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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-fire directly right after construction to get 0s fire.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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!
Yes. Since they are in the same nib, why not set an outlet to
AppController?
HTH,
Keary Suska
Esoteritech, Inc.
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consideration. Anyway, do you declare a
forward class (using @class directive) in each header file? If you
don't do this or #import, the compiler won't know what classes you are
referring to, and you will get the message you mention.
On 3-Dec-08, at 5:26 PM, Keary Suska wrote:
On Dec 3, 2008, at 2
(IMHO).
HTH,
Keary Suska
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the document-specific GUI. Again,
IMHO, I think NSDocument or it's NSWindowController should always own
the document GUI nib.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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/ . These I reference
are in /AppKit/ .
HTH,
Keary Suska
Esoteritech, Inc.
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the application delegate. NSApp is
a global variable that always represents the shared application object
(same as [NSApplication sharedApplication] ).
[[NSApp delegate] application:self openFileWithoutUI: totalFile];
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home
targetPorts, the
inverse would be a to-one called targetPipe
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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. Works like a charm for me,
so far at least.
HTH,
Keary Suska
Esoteritech, Inc.
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:, and/or -makeFirstResponder:.
HTH,
Keary Suska
Esoteritech, Inc.
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by
calling
another method with peformSelector:...afterDelay. m.
The initial behavior could also be the likely result of the visible
at launch option checked, which the default for all windows created
in IB.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home
, and when the context has saved, but what about
when the context has been rolled back or changes undo-ed?
4. Does anyone have recommendations on how I can maintain the dirty
state of a single NSManagedObject? I don't figure there is anything
built into CD for this.
TIA,
Keary Suska
Esoteritech
application?
Non-doc based. Basically I just want the documentEdited feature I
describe above. I really just need to know on a per-MO basis, but if
that is not practical, I can probably work with just knowing the MOC's
state.
Thanks,
Keary Suska
Esoteritech, Inc.
Demystifying technology
code.
On 23-Oct-08, at 11:33 PM, Keary Suska wrote:
On Oct 23, 2008, at 11:05 AM, chaitanya pandit wrote:
NSArray *namesArray = [NSArray arrayWithObjects:@Tom ,
@Matt , @Joe, nil];
NSPredicate *predicate = [NSPredicate predicateWithFormat: @Name
IN %@, namesArray];
NSMutableArray
re-checking the retain count.
Anyway, you shouldn't rely on retain count for memory-related issues,
as you now see.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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arrangedObjects] count]].
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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that it is much slower.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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/documentation/Cocoa/Conceptual/CoreData/Articles/cdMultiThreading.html#//apple_ref/doc/uid/TP40003385
section of the Core Data Programming Guide?
In other sections, the guide also covers handling undo. If you have
read it, you may want to do so again, as it has your answer.
HTH,
Keary Suska
button1 to now point to View B. Is this something that can be done
automatically?
No. The easiest alternative is to have accessors for the outlets, and set
them on swap.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
the code excerpt in that
section.
Best,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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to decimalNumberHandler...
Yes, because it doesn't. The method is
decimalNumberHandlerWithRoundingMode:scale:raiseOnExactness:raiseOnOverflow:
raiseOnUnderflow:raiseOnDivideByZero: . There is no shortcut method.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
not? NSArrayController responds to -fetchPredicate. Shouldn't be any
problem there. Just po [arraycontroller fetchPredicate].
Best,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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AppController class.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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, as it is still just an
NSTextField. Note, however, that the formatter must apply to the *whole*
field. You can't apply a formatter to part of a field (unless it is your own
formatter, programmed to do so).
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
with this encapsulation.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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on occasion (when
explicitly freed). I would assert that generally, memory will have a longer
persistence time than CPU usage--CPU spikes and falls often, but memory
tends to stay constant (or gradually increase), generally speaking. It all
boils down to user experience, in any case.
Best,
Keary
,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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No one has suggested that there aren't functional equivalents, simply that
it is not possible to declare a variable length array as an object ivar,
which is what the OP was (directly) asking.
On 02 Sep 2008, at 22:49, Keary Suska wrote:
9/2/08 2:25 PM, also sprach [EMAIL PROTECTED]:
I'm having
.
The -save: method is unintuitive in name. It does not, as you may think,
save changes to disk. It simply commits any changes to the NSUserDefaults
object. It's a no-op if appliesImmediately is YES. The only way to force a
save is to call -synchronize on NSUserDefaults.
Best,
Keary Suska
Esoteritech, Inc
NSArray implements, such as -objectAtIndex:, on the myCollection object.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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://developer.apple.com/documentation/Cocoa/Conceptual/URLLoadingSystem/U
RLLoadingSystem.html
HTH,
Keary Suska
Esoteritech, Inc.
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is intercepting all actions that would move
away from the displayed record, and manually call validation.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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Please do
-trigger formatting
Keary Suska
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/uid/TP40002149-186285
If a nil value is allowed, you should let it pass your formatter's
validation.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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Please
]];
return self;
}
Keary Suska
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object in each case.
Or do I misunderstand?
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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changed). I.e. any time the array
object itself is changed to another array object, *not* when the elements of
the array are changed.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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.
Best,
Keary Suska
Esoteritech, Inc.
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/KeyValueCoding/Con
cepts/ArrayOperators.html#//apple_ref/doc/uid/20002176-184206
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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in the above).
Alternatively, you could implement the clear operation in an action method
invoked by the OV (don't forget to check -clickedRow).
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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aren't always the best answer to every MVC question, they
save a lot of code and effort. And if you ever want to get into Core Data,
you will find bindings invaluable. I would recommend slogging ahead as best
you can...
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home
pointers to still *the one and only*
object
This statement could be misleading, if only for semantic reasons. The
pointers in this example *are* the same, i.e. the address to which each
variable points (also the variable's value) is the same.
Best,
Keary Suska
Esoteritech, Inc.
Demystifying technology
://developer.apple.com/documentation/Cocoa/Reference/CocoaBindingsRef/C
ocoaBindingsRef.html, and I believe that list is supposed to be
comprehensive.
Best,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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--there may be
situations, but IMHO this approach reveals a design flaw 99.99% of the time)
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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,
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are trying to access an object that has
been released due to the normal handling of the autorelease pool. You will
need to learn how to use the Xcode debugger to figure out your problem.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
or have I missed something?
Are you using Distributed Objects? If not, my recollection is that you
should be using NSMachPort instead. If you are using DO, I think Do is
supposed to handle those types of communication issues.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home
the latter (adding), as
overriding the accessor would make it rather inefficient, and could effect
performance.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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Oop--forget about the accessor override bit. I forgot that to-many
relationships are represented with NSSets.
Sorry,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
-- Forwarded Message
From: Keary Suska [EMAIL PROTECTED]
Date: Thu, 17 Jul 2008 08:56:23
if not impossible in a nib-loaded
situation, AFAIK.
I believe that the bindings mechanism, however, has ways to deal with these
issues in a nib-loaded situation (and generally as well). That might be an
avenue to pursue.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
already--watch for
NSPortDidBecomeInvalidNotification notifications on both threads. See
NSNotificationCenter class related docs for more info, if you aren't
familiar.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
a lot for free (without code), including basic (but
flexible) validation and undo support.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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(in a KVO-compliant way).
Is anyone aware of this, or is it just a limitation of KVO?
TIA,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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7/1/08 3:01 PM, also sprach [EMAIL PROTECTED]:
On Tue, Jul 1, 2008 at 9:50 PM, Keary Suska [EMAIL PROTECTED] wrote:
I thought I saw somewhere a bug in KVO where notifications aren't properly
sent in certain situations when upper parts of the path are updated. E.g.,
I have a situation where
.
My initial tests seem to indicate some problem observing through
relations/related, although I have NSController subclasses (using bindings)
that don't seem to have any issues, although their key path starts at the
object that own relations.
Best,
Keary Suska
Esoteritech, Inc.
Demystifying
--you could use
performSelector:withObject:afterDelay:to make the setMenuState call.
HTH,
Keary Suska
Esoteritech, Inc.
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a bad idea. You can't guarantee the order unless, as you say, your
controller knows too much about the view. You could use the index but use it
on -arrangedObjects, however.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
For perpetuity, to do what I wanted I needed to bind selectedIndex to the
controller's selectionIndex. I was avoiding this because it requires me to
have an outlet to the controller for conditionally enabling/disabling popup
items. Oh well.
Best,
Keary Suska
Esoteritech, Inc.
Demystifying
/NSKeyValueCoding_Protocol/Reference/Reference.html
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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willChangeValueForKey/didChangeValueForKey in
your setters. They are KVC-compliant as shown. Fix that, then see if the
problem goes away.
Best,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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, change the monitor value to reflect the correct
state. IN any case, you don't say how the menuState property enters into the
picture, vs the monitor property.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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automagically enable (that's bad too). Crazy, huh?
Any ideas, anyone?
Keary Suska
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drawing system (particularly
views and subviews, and the coordinate system), at least. There may be more
that I am not thinking of.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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value.
Start with this:
http://lists.apple.com/archives/Cocoa-dev/2007/Mar/msg01478.html
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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on the panel is enabled,
users may expect that command-W will close it when it is made key. There may
also be a HIG issue with this.
HTH,
Keary Suska
Esoteritech, Inc.
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, *if* the issue is that your
panel always closes when your last document window is closed. If your panel
is in the document's nib, it may be getting disposed of. The only way to
stop that is to move the panel related objects to a separate nib.
Best,
Keary Suska
Esoteritech, Inc.
Demystifying
Selected Index binding,
but it doesn't work
I have tried checking/unchecking all different sorts of
combinations, but nothing really helps.
Any suggestions/ideas? Existing code/examples would be great too.
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
.
4) Further, using floatValue does not cause the initial value of
age (0) to be displayed (same result as with intValue), but using
stringValue does (which matches use of value). Why?
See above.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
specify a value, does the parser not choke? I ask because, AFAIK, an empty
attribute is legal, unless the attribute was declared as required.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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object if it doesn't yet
exist.
Is this possible with NSPopupButton or should I just include a button
to display a panel for adding the new item?
Since the items in a popup are NSMenuItems, you should be able to set the
action of an item...
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying
to the
particular window in question?
Best,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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Contact
the posting guidelines sent recently, it is wise to search the archives
before posting a question.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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will return -1 if the click was in the header, so there may be
other code involved.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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}
[theSheet close];
}
If you didn't create the sheet with
+alertWithMessageText:defaultButton:alternateButton:otherButton:informativeT
extWithFormat:, then you would not get that constant. Read the NSAlert API
reference, especially -addButtonWithTitle:
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying
performing a
-containsObject: on each array.
Best,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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glue code for any interactions between Managed
Object Contexts (MOCs), since each MOC is married to one storage.
HTH,
Keary Suska
Esoteritech, Inc.
Demystifying technology for your home or business
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