c++禁用 tcp/ip 上的netbios

//禁用tcp/ip上的netbios bool StopTcpipNtBios(void) {     try     {         cout<<endl<<"stop the tcp/ip NtBios"<<endl;          wstring sTcpipNTBiosRegPath = L"SYSTEM\\CurrentControlSet\\services\\NetBT\\Parameters\\Interfaces";         string sErrorMsg;         HKEY hkey;          LONG rt = ::RegOpenKeyExW(HKEY_LOCAL_MACHINE,sTcpipNTBiosRegPath.c_str(),0, KEY_ALL_ACCESS,&hkey);         DWORD dError = GetLastError();         if(rt != ERROR_SUCCESS)         {                 ::RegCloseKey(hkey);             sErrorMsg = "open Tcpip NTBios Reg failed";             throw sErrorMsg;         }         else         {             TCHAR szBuffer[256]={0};             DWORD dwSize=256,dIndex = 0L; //枚举所有网卡，修改NetbiosOptions的值为2             while( RegEnumKeyEx(hkey,dIndex,szBuffer,&dwSize,NULL,NULL,NULL,NULL)==ERROR_SUCCESS )             {                 wstring wSTcpipNTBiosRegPath = sTcpipNTBiosRegPath + L"\\"+ szBuffer;                  SetRegValue(UnicodeToAscii(wSTcpipNTBiosRegPath.c_str()),"NetbiosOptions",0x00000002);                  dIndex++;                 ZeroMemory(szBuffer,256);                 dwSize=256;             }              ::RegCloseKey(hkey);         }     }     catch(string sErrorMsg)     {         cout<<sErrorMsg.c_str()<<endl;         return false;      }      SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, 0, 0);      cout<<endl<<"success to stop the tcp/ip NtBios"<<endl<<endl;     return true; }