[Lazarus] Object free itself?

Lee Jenkins lee at datatrakpos.com
Thu May 15 21:30:06 CEST 2008


Lee Jenkins wrote:
> Lee Jenkins wrote:
>> I've never tried this type of thing before, but I have need to have an object 
>> free self.
>>
>> After freeing any resource used by the object in it's Destructor, I call 
>> inherited destroy and it looks like the inherited destroy methods works, but 
>> right afterward, get a sig exception in LCLProc.unit:
>>
>> function TMethodList.Count: integer;
>> begin
>>    if Self<>nil then
>>      Result:=FCount <== here
>>    else
>>      Result:=0;
>> end;
>>
>> Is it even possible to have an object free itself?
>>
>> BTW, I'm trying my hand at creaing an MVC and I need the controller to be able 
>> to free itself because it is the object that 1) Creates the View (form) and 2) 
>> the Model (object) and mediates between them.
>>
>> When the form is closed, the controller is notified and need to 1) free the form 
>>   2) free the model/object and 3) free itself.
>>
>> Otherwise, I guess I must create some kind of manager object/list to free the 
>> controller from the outside.  Note: If I free the controller object from outside 
>> (like putting it in an objectlist and calling ObjectList.clear) there is no 
>> exception.
>>
>> Just calling free from the object itself poses the problem.
>>
> 
> Never mind, I just saved myself a bit of aggravation and created a list manager 
> for my controllers which works nicely and free everything from the outside 
> without problems.
> 

Damn, I spoke too soon.  Its still doing it.  Apparently, I just cannot call any 
kind of code from within the object that somehow frees it?

Is there any way around this?

-- 

Warm Regards,

Lee

"When my company started out, we were really, really, really, really small. 
Now...we're just really small."



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