Hi Giuseppe,

For reference see SystemDictionary>>removeAllUnSentMessages

Cheers,

-- Diego

> Imagine this.
> 
> You select one or various categories and "Intelligent Shrink" browse all  
> the image searching all the objects thath the selected categories uses. If  
> a categorie is not use or not will use it for our selected categories then  
> erase it.
> 
> Example:
>    I create a "set" of objects, and use objects from Kernel, Morphic etc..  
> But no object uses Monticello. Then, "Intelligent Shrink" may delete all  
> Monticello's class not used.
> 
> Is this possible on Squeak?
> 
> Cheers.