HRESULT HrGetBindingPathEnum (IN INetCfgComponent *pncc,
IN DWORD dwBindingType,
OUT IEnumNetCfgBindingPath **ppencbp)
{
INetCfgComponentBindings *pnccb = NULL;
HRESULT hr;
*ppencbp = NULL;
//
// Get component's binding.
//
hr = pncc->QueryInterface( IID_INetCfgComponentBindings,
(PVOID *)&pnccb );
if ( hr == S_OK ) {
//
// Get binding path enumerator reference.
//
hr = pnccb->EnumBindingPaths( dwBindingType,
ppencbp );
ReleaseRef( pnccb );
}
return hr;
}
bool ChangeNicBindingOrder()
{
HRESULT hr = S_OK;
INetCfg *pNetCfg = NULL;
INetCfgBindingPath *pNetCfgPath;
INetCfgComponent *pNetCfgComponent = NULL;
INetCfgComponentBindings *pNetCfgBinding = NULL;
INetCfgLock *pNetCfgLock = NULL;
IEnumNetCfgBindingPath *pEnumNetCfgBindingPath = NULL;
PWSTR szLockedBy;
if (!SUCCEEDED(CoInitialize(NULL)))
{
return false;
}
if (S_OK != CoCreateInstance(CLSID_CNetCfg, NULL, CLSCTX_INPROC_SERVER, IID_INetCfg, (void**)&pNetCfg))
{
return false;
}
if (!SUCCEEDED(pNetCfg->QueryInterface(IID_INetCfgLock, (LPVOID *)&pNetCfgLock)))
{
return false;
}
static const ULONG c_cmsTimeout = 5000;
static const WCHAR c_szSampleNetcfgApp[] = L"TapRebinder (TapRebinder.exe)";
if (!SUCCEEDED(pNetCfgLock->AcquireWriteLock(c_cmsTimeout, c_szSampleNetcfgApp, &szLockedBy)))
{
wprintf(L"Could not lock INetcfg, it is already locked by '%s'", szLockedBy);
return false;
}
if (!SUCCEEDED(pNetCfg->Initialize(NULL)))
{
if (pNetCfgLock)
{
pNetCfgLock->ReleaseWriteLock();
}
ReleaseObj(pNetCfgLock);
return false;
}
ReleaseObj(pNetCfgLock);
if (S_OK != pNetCfg->FindComponent(L"ms_tcpip", &pNetCfgComponent))
{
return false;
}
if (S_OK != pNetCfgComponent->QueryInterface(IID_INetCfgComponentBindings, (LPVOID *)&pNetCfgBinding))
{
return false;
}
if (S_OK != pNetCfgBinding->EnumBindingPaths(EBP_BELOW, &pEnumNetCfgBindingPath))
{
return false;
}
while (S_OK == hr)
{
hr = pEnumNetCfgBindingPath->Next(1, &pNetCfgPath, NULL);
LPWSTR pszwPathToken;
pNetCfgPath->GetPathToken(&pszwPathToken);
if (wcscmp(pszwPathToken, wDeviceInstanceId) == 0)
{
wprintf(L" Moving adapter to the first position: %s.\n", pszwPathToken);
pNetCfgBinding->MoveBefore(pNetCfgPath, NULL);
pNetCfg->Apply();
CoTaskMemFree(pszwPathToken);
ReleaseObj(pNetCfgPath);
break;
}
CoTaskMemFree(pszwPathToken);
ReleaseObj(pNetCfgPath);
}
ReleaseObj(pEnumNetCfgBindingPath);
ReleaseObj(pNetCfgBinding);
ReleaseObj(pNetCfgComponent);
ReleaseINetCfg(TRUE, pNetCfg);
return true;
}