[gme-users] Populating a model with an addon

[Zoltan Molnar]

Hi Brian,

The code snippet itself is correct, however the BON2 add-ons proved not
to be too reliable (because of referencecounting bugs) over the long run
(especially in case of the 'OnCreated' event ). I could recommend
writing C++ Raw COM add-ons instead.

If you invested a lot into this Bon2 add-on and you'd like to use it,
setting the autocommit to false might help as follows:
In objecteventperformed() method's first line please insert this:
if( object) object->getProject()->setAutoCommit( false);

Or you could use simply:

project->setAutoCommit( false);

in the Component::initialize( Project& project ) method.


I tried out both of these, and they solve the error message you have
seen.

Br,Zoli

> -----Original Message-----
> From: gme-users-bounces at list.isis.vanderbilt.edu 
> [mailto:gme-users-bounces at list.isis.vanderbilt.edu] On Behalf 
> Of Bryan Perozzi
> Sent: Tuesday, July 31, 2007 9:15 AM
> To: gme-users
> Subject: [gme-users] Populating a model with an addon
> 
> 
> Hello all,
> 
> I'm creating a BON2 add-on for GME 7.6.29 to populate a model 
> based on events. In the process I've observed some unusual 
> errors. For instance, the following code creates a folder and 
> then a model as its child, but always throws "(0x8073200C): 
> No territory has been selected" seemingly after leaving the 
> context of the add-on.
> 
> objectEventPerformed( Object& object, unsigned long event, 
> VARIANT v ) { if (object->getObjectMeta().name() == "System") 
> { Folder root = object->getParentFolder();
> 
> Folder folder = Folder::create(root, "FolderType");
> folder->setName("NewFolderName");
> Model model = Model::create(folder, "ModelType");
> }
> }
> 
> Now, the code the add-on is using is pulled from a working 
> interpreter that I wrote earlier on.
> 
> Does anyone have any insight on why object creation seems to 
> function differently between add-ons and interpreters, or is 
> this a bug?
> 
> Thanks,
> - Bryan
> 
> ----------------------
> Bryan Perozzi
> Lockheed Martin ATL
> 
> 
> 
> 
> 
> 
> 
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