On Mar 31, 2009, at 9:12 PM, Pierce Freeman wrote:

Whoops, sorry I didn't put that in...

@interface Example_Class : NSObject {

   IBOutlet NSTableView *tableView;
   NSMutableArray *globalVariable;
}

That's not a global variable. It's an instance variable. That's a massive conceptual error, and you should do your best to understand why you made it before going much further. Perhaps reading Apple's guide to Object-Oriented Programming with Objective-C would help:

http://developer.apple.com/documentation/Cocoa/Conceptual/OOP_ObjC/index.html

Next, what you showed is the declaration of the variable. The variable is a pointer, which may point to an object. Declaring a pointer does not allocate or initialize the object, nor make the pointer point to the object (or anything in particular). You have to do that separately.

Regards,
Ken

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