void airServer_UserPresenceReceivedAsk(out bool isVisible, ref Air.UserInfo userInfo)
        {
            if (string.IsNullOrEmpty(UserAccountPicture))
            {
                UserAccountPicture = AirFileExchange.Air.Helper.UserAccountPictureAsBase64();
            }

            isVisible = true;
            userInfo  = new AirFileExchange.Air.UserInfo()
            {
                DisplayName  = Environment.UserName,
                ComputerName = Environment.MachineName,
                Icon         = UserAccountPicture
            };
        }
        void airServer_UserPresenceReceivedAsk(out bool isVisible, ref Air.UserInfo userInfo)
        {
            if (string.IsNullOrEmpty(UserAccountPicture))
            {
                UserAccountPicture = AirFileExchange.Air.Helper.UserAccountPictureAsBase64();
            }

            isVisible = true;
            userInfo = new AirFileExchange.Air.UserInfo()
            {
                DisplayName = Environment.UserName,
                ComputerName = Environment.MachineName,
                Icon = UserAccountPicture
            };
        }