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; 
//枚舉所有網卡，修改NetbiosOptions的值為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; 
}