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How can I get a pointer to the document containing my Product?

Use the CATILinkableObject interface of the ObjectModelerBase framework. Follow these steps:

CATIProduct *piProduct = ...
CATILinkableObject *piLinkableOnProduct = NULL;
HRESULT rc = piProduct -> QueryInterface(IID_CATILinkableObject,(void**)&piLinkableOnProduct);
if (SUCCEEDED(rc))
{
   CATDocument *pDoc = piLinkableOnProduct -> GetDocument();
}

How can I retrieve a pointer to the root product of my Product document?

You need to use the CATIDocRoots interface of the ObjectModelerBase framework. Here is the code to do this:

CATIDocRoots *piDocRootsOnDoc = NULL;
rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**)&piDocRootsOnDoc);
if ( FAILED(rc) ) return 1;

// get the root product which is the first element of the list returned by GiveDocRoots
CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
CATIProduct_var spRootProduct = NULL_var;
if (pRootProducts->Size())
{
  spRootProduct = (*pRootProducts)[1];
  delete pRootProducts;
  pRootProducts = NULL;
}
piDocRootsOnDoc->Release();

In the above code, you can see that a CATIDocRoots pointer is first retrieved on the Product document. Using the GiveDocRoots method of CATIDocRoots, you can then retrieve a list whose first element is the root product. See the "Browsing a Product Structure" use case for more details.

I am in a CATIA interactive session in a Product document. I add a new product to my product structure using CATIProduct::AddProduct. The visualization and specs tree are not updated automatically. What should I do?

You must send the visualization and specs tree navigation events yourself. Here is the code needed to do this:

//Update the 3D view
CATIModelEvents_var spEvents = RootProduct;
CATModify ModifyEvent(RootProduct);
spEvents -> Dispatch (ModifyEvent);

//Update the graph view
CATIRedrawEvent_var spRedraw = RootProduct;
spRedraw -> Redraw();

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