Catia二次开发源码分享： 获取装配所有组件列表

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+ X1 k% m& [$ L0 a! fCatia二次开发源码分享： 获取装配所有组件列表
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/* ----------------------------*/
	/* 2. Retrieves Root Product   */
	/* ----------------------------*/
	
	// Begin navigation through the document => start with the RootProduct.
	CATIDocRoots* piDocRootsOnDoc = NULL;
	rc = pDoc->QueryInterface(IID_CATIDocRoots,
		                      (void**) &piDocRootsOnDoc);
	if ( FAILED(rc) ) return 3;
	
	// get the root product which is the first element of root elements
	CATListValCATBaseUnknown_var* pRootProducts = 
		piDocRootsOnDoc->GiveDocRoots();
	CATIProduct_var spRootProduct = NULL_var;
	
	if (pRootProducts && pRootProducts->Size())
	{  
		spRootProduct = (*pRootProducts)[1];
		delete pRootProducts;
		pRootProducts = NULL;
	}
/** @anchor err_1 piDocRootsOnDoc not set to NULL after release */ 
	piDocRootsOnDoc->Release();
	piDocRootsOnDoc = NULL;
	
	// Get CATIProduct handle on the root product.
	CATIProduct *piProductOnRoot = NULL;
	rc = spRootProduct->QueryInterface(IID_CATIProduct,
		                               (void**) &piProductOnRoot);
	if ( FAILED(rc) ) return 3;

	/* ---------------------------------------*/
	/* 3. Retrieves children under the root   */
	/* ---------------------------------------*/
	
	int nbOfDirectChidren = piProductOnRoot -> GetChildrenCount() ;
	cout << " Number of direct children under the root = " << nbOfDirectChidren << endl << flush;
	
	// then on a root product, get all the children agregated to it.
	CATListValCATBaseUnknown_var*   ListChildren =
		piProductOnRoot->GetAllChildren();
/** @anchor err_2 piProductOnRoot not set to NULL after release */ 
	piProductOnRoot -> Release();
	piProductOnRoot = NULL;
	if(NULL != ListChildren)
	{
		
		int numberOfChildren = ListChildren->Size();
		cout << " Number of all children under the root = " << numberOfChildren << endl << flush;

		/* -----------------------------------------------------------*/
		/*  4. For each child, get its partNumber, and InstanceName   */
		/* -----------------------------------------------------------*/
		CATIProduct_var spChild = NULL_var;
		for (int i=1;i<=numberOfChildren;i++)
		{
			spChild = (*ListChildren)[i];
/** @anchor err_3 spChild not tested before use ( if !! ) */ 
			if ( NULL_var == spChild ) return 4;
			CATUnicodeString partNumber = spChild -> GetPartNumber();
			CATUnicodeString instanceName (" ");
			rc = spChild -> GetPrdInstanceName ( instanceName ) ;
			if  ( FAILED(rc) ) return 4;
			
			cout << " child number : " << i << endl << flush;
			cout << " has as part number : " << partNumber.CastToCharPtr()  << endl << flush;
			cout << " and as instanceName : " << instanceName.CastToCharPtr() << endl << endl << flush;
		}
		delete ListChildren;
		ListChildren=NULL;
	}	
	/* -------------------------------------------- */
	/*   Ends the session                        */
	/* -------------------------------------------- */

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