On 2011 Feb 07, at 16:46, Darren Wheatley wrote:

> When I try to bind the  enabled property I get the following error:
> 
> "cannot create BOOL from object of class __NSArray0"
> 
> Does anyone have any idea how I can achieve the desired result?

Yes, most people get that the first time they try this.  It can be a little 
counterintuitive until you understand it.

The error is helpful, though.  As the error implies, you are probably binding a 
checkbox to an array (__NSArray0).  You need to bind the *table column* instead 
of the checkbox.  The typical binding for this case looks something like:

* Table Column Bindings
** Value, or Enabled
Bind to:         FooArrayController
Controller Key:  arrangedObjects
Model Key Path:  active


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