Replace Famtable Instance In The Creo Assembly

void UserReplaceInstanceInAssembly()
{
	int n_sel, *ids;
	ProSelection *p_sel = NULL;
	ProError err;
	ProAsmcomppath path;
	ProMdl mdl;
	ProFamtable p_famtab;
	std::vector famtable_instance;
	ProMdl p_model, p_insMdl;

	err = ProMdlCurrentGet(&mdl);

	err = ProSelect("prt_or_asm",  1, NULL, NULL, NULL, NULL, &p_sel, &n_sel);
	if (err != PRO_TK_NO_ERROR || n_sel < 1)	return;
	err = ProMdlLoad(_T("E:\\mll_a-48.prt"), PRO_MDL_PART, PRO_B_FALSE, &p_insMdl);
	err = ProFamtableInit(p_insMdl, &p_famtab); // 初始化簇表
	if (err != PRO_TK_NO_ERROR)
		return;

	err = ProFamtableInstanceVisit(&p_famtab, famtab_instance_visit_action, famtab_instance_filter_action, (ProAppData)&famtable_instance); // 簇表实例遍历
	if (err != PRO_TK_NO_ERROR)
		return;

	for (int i = 0; i < famtable_instance.size(); i ++)
	{
		CString famNameStr = famtable_instance[i].name;
		if (famNameStr == _T("46")) // 要替换的实例名称
		{
			err = ProFaminstanceCreate( &famtable_instance[i], &p_model );
			if (err != PRO_TK_NO_ERROR)	return;
			err = ProFaminstanceMdlGet( &famtable_instance[i], &p_model );
			if (err != PRO_TK_NO_ERROR)	return;
		}
	}

	err = ProSelectionAsmcomppathGet(p_sel[0], &path);
	if (err != PRO_TK_NO_ERROR)	return;

	ProAsmcomppath father_path = path;
	father_path.table_num--;
	ProMdl father_mdl;
	err = ProAsmcomppathMdlGet(&father_path,&father_mdl);
	ProFeature del_feat;
	del_feat.owner = father_mdl;
	del_feat.id = path.comp_id_table[path.table_num-1];
	del_feat.type = PRO_FEATURE;


	err = ProArrayAlloc (0, sizeof(int), 1, (ProArray*)&ids);
	if ( err != PRO_TK_NO_ERROR) return;

	err = ProArrayObjectAdd((ProArray*)&ids, PRO_VALUE_UNUSED, 1, &(del_feat.id) );
	if ( err != PRO_TK_NO_ERROR) return;
	int p_size;
	err = ProArraySizeGet(ids, &p_size);
	if ( err != PRO_TK_NO_ERROR) return;
	err = ProAssemblyAutointerchange((ProAssembly)father_mdl, ids, p_model);
	if ( err != PRO_TK_NO_ERROR) return;
	err = ProArrayFree((ProArray*)&ids);
	if ( err != PRO_TK_NO_ERROR) return;
	err = ProSolidRegenerate((ProSolid)mdl, PRO_REGEN_NO_FLAGS);
	if ( err != PRO_TK_NO_ERROR) return;
}