System.Net.WebSockets.WebSocketProtocolComponent.ThrowIfSessionHandleClosed C# (CSharp) Method

        private static void ThrowIfSessionHandleClosed(WebSocketBase webSocket)
        {
            if (webSocket.SessionHandle.IsClosed)
            {
                throw new WebSocketException(WebSocketError.InvalidState,
                    SR.Format(SR.net_WebSockets_InvalidState_ClosedOrAborted, webSocket.GetType().FullName, webSocket.State));
            }
        }