System.Net.Security.SslStreamPal.GetProtocolFlagsFromSslProtocols C# (CSharp) Method

        private static int GetProtocolFlagsFromSslProtocols(SslProtocols protocols, bool isServer)
        {
            int protocolFlags = (int)protocols;

            if (isServer)
            {
                protocolFlags &= Interop.SChannel.ServerProtocolMask;
            }
            else
            {
                protocolFlags &= Interop.SChannel.ClientProtocolMask;
            }

            return protocolFlags;
        }