Re: Referencing an instance variable in a class method
Re: Referencing an instance variable in a class method
- Subject: Re: Referencing an instance variable in a class method
- From: Dan Saul <email@hidden>
- Date: Wed, 6 Jul 2005 14:05:34 -0500
You *can't* access a /instance/ variable from a class method, however
if you define a static global variable outside of the implementation
and set it in the instance object you can access that later in a class
method.
On 06/07/05, Julio Cesar Silva dos Santos <email@hidden> wrote:
> I am trying to access an instance variable within a class method but
> I receive a warning: "instance variable accessed in class method". Is
> there a way to get around this warning? The code is something like this:
>
> @interface myClass : NSObject {
> IBOutlet id myTextView;
> }
>
> +(void)myClassMethod:(NSString*)myPath;
> @end
>
> @implementation
> +(void)myClassMethod:(NSString*)myPath {
> NSData * myData = [NSData dataWithContentsOfFile:myPath];
> //Here pops up the warning
> [myTextView replaceCharactersInRange:NSMakeRange(0,[[myTextView
> string] length]) withRTF:myData];
> [myData release];
> }
> @end
>
> Why am I doing this? Because I am writing an application that uses
> AppleScript, but AS does not work fine with RTF files the way
> Objective-C does. Then I use the "call method" to (obviously) call a
> method inside a class but as far as I know this call only works for
> class methods, hence the myClassMethod declaration.
>
> Thanks for any help,
>
> Julio Cesar Santos
> email@hidden
> eMac 1GHz ComboDrive
> 640MB RAM
> Linux User #359973
>
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