dxsdk中DSNetwork的sender filter QueryInterface(IID_IMulticastConfig, (void **)&pIV)的错误
cnicq 2005-05-09 03:44:28 我是用下面的方法作的,为什么结果是failed,hr == E_NOINTERFACE,怎么会这样啊?
hr = pFilter->QueryInterface(IID_IMulticastConfig, (void **)&pIV);
if(SUCCEEDED(hr))
hr = pIV->SetMulticastGroup(inet_addr(strIP),(USHORT) uPort);