SupportsGetAddrInfoAsync

bool System.Net.NameResolutionPal.SupportsGetAddrInfoAsync

staticget

Definition at line 171 of file NameResolutionPal.cs.

    {
        get
        {
            int num = s_getAddrInfoExSupported;
            if (num == 0)
            {
                Initialize();
                num = s_getAddrInfoExSupported;
            }
            return num == 1;
            static void Initialize()
            {
                global::Interop.Winsock.EnsureInitialized();
                IntPtr handle = global::Interop.Kernel32.LoadLibraryEx("ws2_32.dll", IntPtr.Zero, 2048);
                IntPtr address;
                bool flag = NativeLibrary.TryGetExport(handle, "GetAddrInfoExCancel", out address);
                Interlocked.CompareExchange(ref s_getAddrInfoExSupported, flag ? 1 : (-1), 0);
            }
        }
    }

Referenced by System.Net.Dns.GetHostEntryOrAddressesCoreAsync().