Error 10022 в мультикаст сокете

// F_U_t_U.cpp : Defines the entry point for the console application.
//
 
#include "stdafx.h"
#include <winsock2.h>
#include <ws2tcpip.h>
#define DEFAULT_PORT "1234"
#define DEFAULT_BUFLEN 188
#include <winsock.h>
//#include <msocket.h>
 
#pragma comment(lib, "ws2_32.lib")
 
int main()
{
    int iResult = 0;
 
    WSADATA wsaData;
 
    SOCKET RecvSocket;
    sockaddr_in RecvAddr;
    sockaddr_in Remote;
 
    unsigned short Port = 1234;
 
    char RecvBuf[128];
    int BufLen = 128;
 
    sockaddr_in SenderAddr;
    int SenderAddrSize = sizeof (SenderAddr);
    int RecvAddrSize = sizeof(RecvAddr);
    //-----------------------------------------------
    // Initialize Winsock
    iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
    if (iResult != NO_ERROR) {
        wprintf(L"WSAStartup failed with error %d\n", iResult);
        return 1;
    }
    //-----------------------------------------------
    // Create a receiver socket to receive datagrams
    RecvSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
    if (RecvSocket == INVALID_SOCKET) {
        wprintf(L"socket failed with error %d\n", WSAGetLastError());
        return 1;
    }
 
    const int optval = 1;
    setsockopt(RecvSocket, SOL_SOCKET, SO_REUSEADDR, (char *)&optval, sizeof(optval));
    //-----------------------------------------------
    // Bind the socket to any address and the specified port.
    RecvAddr.sin_family = AF_INET;
    RecvAddr.sin_port = htons(Port);
    RecvAddr.sin_addr.s_addr = htonl(INADDR_ANY);
 
    iResult = bind(RecvSocket, (SOCKADDR *) & RecvAddr, sizeof (RecvAddr));
    if (iResult != 0) {
        wprintf(L"bind failed with error %d\n", WSAGetLastError());
        return 1;
    }
 
    //iResult = setsockopt(RecvSocket, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char *)&RecvAddr, sizeof(RecvAddr));
    //if (iResult != 0) {
    //  wprintf(L"join to multicast group error %d\n", WSAGetLastError());
    //  getchar();
    //  return 1;
    //}
    
 
    WSABUF wsaCalleeData={0,0};
    Remote=RecvAddr;
    //Remote.sin_family=AF_INET;
    Remote.sin_port=htons(Port);
    Remote.sin_addr.s_addr=inet_addr("239.255.10.01");
    //Join the multicast group. Note that SockM is not used to send or receive data.
    //It is used when you want to leave the multicast group. You simply call closesocket() on it.
    //
    if((RecvSocket=WSAJoinLeaf(RecvSocket,(sockaddr *)&Remote,sizeof(Remote),NULL,
        &wsaCalleeData, NULL,NULL,JL_BOTH))==INVALID_SOCKET)  //JL_SENDER_ONLY
    {
        wprintf(L"WSAJoinLeaf failed with: %d\n",WSAGetLastError());
        getchar();
        //ShowMessage(ErrStr);
        closesocket(RecvSocket);
        WSACleanup();
        return -1;
    }
 
 
    //-----------------------------------------------
    // Call the recvfrom function to receive datagrams
    // on the bound socket.
    wprintf(L"Receiving datagrams...\n");
    iResult = recvfrom(RecvSocket,
        RecvBuf, BufLen, 0, (SOCKADDR *) & RecvAddr, &RecvAddrSize);
    if (iResult == SOCKET_ERROR) {
        wprintf(L"recvfrom failed with error %d\n", WSAGetLastError());
    }
 
    //-----------------------------------------------
    // Close the socket when finished receiving datagrams
    wprintf(L"Finished receiving. Closing socket.\n");
    iResult = closesocket(RecvSocket);
    if (iResult == SOCKET_ERROR) {
        wprintf(L"closesocket failed with error %d\n", WSAGetLastError());
        return 1;
    }
 
    //-----------------------------------------------
    // Clean up and exit.
    wprintf(L"Exiting.\n");
    WSACleanup();
 
    return 0;
}

    //RecvSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
    RecvSocket = WSASocket(AF_INET, SOCK_DGRAM, 0, NULL, 0, WSA_FLAG_MULTIPOINT_C_LEAF|WSA_FLAG_MULTIPOINT_D_LEAF|WSA_FLAG_OVERLAPPED);

    ip_mreq Group;
    Group.imr_multiaddr.s_addr = inet_addr("239.255.10.01");
    Group.imr_interface.s_addr = htonl(INADDR_ANY);
 
    iResult = setsockopt(RecvSocket, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char *)&Group, sizeof(Group));