C++ WIN32 程序 ,从屏幕输入 数据 然后给WCHAR 数组赋值

    char lingshi_sBuf[20] = { 0 };
    cout << "输入测试项目" << endl;
    cin.get(lingshi_sBuf, 20);//输入字符串，当输入是Enter键时结束输入
    cout << "当前项目为：" << lingshi_sBuf << endl;
    //获取输入缓存大小
    int lingshi_sBufSize = strlen(lingshi_sBuf);
    //获取输出缓存大小
    //VC++ 默认使用ANSI，故取第一个参数为CP_ACP
    DWORD lingshi_dBufSize = MultiByteToWideChar(CP_ACP, 0, lingshi_sBuf, lingshi_sBufSize, NULL, 0);
    printf("需要wchar_t%u个
", lingshi_dBufSize);
    wchar_t* lingshi_dBuf = new wchar_t[lingshi_dBufSize];
    wmemset(lingshi_dBuf, 0, lingshi_dBufSize);
    //进行转换
    int lingshi_nRet = MultiByteToWideChar(CP_ACP, 0, lingshi_sBuf, lingshi_sBufSize, lingshi_dBuf, lingshi_dBufSize);
     
    if (lingshi_nRet <= 0)
    {
        cout << "转换失败" << endl;
        DWORD dwErr = GetLastError();
        switch (dwErr)
        {
        case ERROR_INSUFFICIENT_BUFFER:
            printf("ERROR_INSUFFICIENT_BUFFER
");
            break;
        case ERROR_INVALID_FLAGS:
            printf("ERROR_INVALID_FLAGS
");
            break;
        case ERROR_INVALID_PARAMETER:
            printf("ERROR_INVALID_PARAMETER
");
            break;
        case ERROR_NO_UNICODE_TRANSLATION:
            printf("ERROR_NO_UNICODE_TRANSLATION
");
            break;
        }
    }
    else
    {
        cout << "转换成功" << endl;
        cout << lingshi_dBuf;
    }
    memcpy(&g_block_data_name[0], &lingshi_dBuf[0], 2);//tick
    memcpy(&g_block_data_name[1], &lingshi_dBuf[1], 2);//tick
    memcpy(&g_block_data_name[2], &lingshi_dBuf[2], 2);//tick
    memcpy(&g_block_data_name[3], &lingshi_dBuf[3], 2);//tick
    delete lingshi_dBuf;

以上代码,应该还有内存泄漏的问题