void TryBrowseBranch(IOPCBrowseServerAddressSpace *pBSAS, LPCWSTR lpprestr,LPCWSTR lpcw) { HRESULT r1; OPCNAMESPACETYPE onst; LPWSTR pItemID; WCHAR s,*lp; IEnumString *pEnum = 0; char szBuf[40]; long nPos = 1; HRESULT r2 = S_OK; LPOLESTR pStr; ULONG actual; lp = WSTRFromSBCS("%ls,%ls",pIMalloc); pBSAS->ChangeBrowsePosition(OPC_BROWSE_DOWN,lpcw); r1 = pBSAS->BrowseOPCItemIDs(OPC_FLAT,&s,VT_EMPTY,0,&pEnum); pBSAS->QueryOrganization(&onst); while((r2 = pEnum->Next(1, &pStr, &actual)) == S_OK) { printf("%ls%ls--%ls\n",lpprestr,lpcw, pStr); wprintf(lpprestr,lp,lpcw,pStr); if(onst == OPC_BRANCH) TryBrowseBranch(pBSAS,lpprestr,pStr); } // pBSAS->ChangeBrowsePosition(OPC_BROWSE_DOWN, // printf("OPC_NS_HIERARCHIAL 含有枝干"); // get firset item pIMalloc->Free(lp); pIMalloc->Free(pStr); pEnum->Release(); pBSAS->ChangeBrowsePosition(OPC_BROWSE_UP,lpcw); }