From 2b4ec6d9dd64b69af954d29fdbf667324419757a Mon Sep 17 00:00:00 2001
From: Michael Croes <mycroes@gmail.com>
Date: Tue, 8 Sep 2020 23:04:26 +0200
Subject: [PATCH] Remove IsAvailable

Addresses #275, #252, #208, #154.
---
 S7.Net.UnitTest/S7NetTestsSync.cs | 12 ++++++++++--
 S7.Net/PLC.cs                     | 20 --------------------
 2 files changed, 10 insertions(+), 22 deletions(-)

diff --git a/S7.Net.UnitTest/S7NetTestsSync.cs b/S7.Net.UnitTest/S7NetTestsSync.cs
index 377506b..c84c1a7 100644
--- a/S7.Net.UnitTest/S7NetTestsSync.cs
+++ b/S7.Net.UnitTest/S7NetTestsSync.cs
@@ -933,7 +933,14 @@ namespace S7.Net.UnitTest
             S7TestServer.Stop();
 
             var unreachablePlc = new Plc(CpuType.S7300, "255.255.255.255", 0, 2);
-            Assert.IsFalse(unreachablePlc.IsAvailable);
+            try
+            {
+                unreachablePlc.Open();
+            }
+            catch
+            {
+            }
+            Assert.IsFalse(unreachablePlc.IsConnected);
         }
 
         [TestMethod]
@@ -944,7 +951,8 @@ namespace S7.Net.UnitTest
             S7TestServer.Start(TestServerPort);
 
             var reachablePlc = CreatePlc();
-            Assert.IsTrue(reachablePlc.IsAvailable);
+            reachablePlc.Open();
+            Assert.IsTrue(reachablePlc.IsConnected);
         }
 
         [TestMethod]
diff --git a/S7.Net/PLC.cs b/S7.Net/PLC.cs
index f3a497e..de8b646 100644
--- a/S7.Net/PLC.cs
+++ b/S7.Net/PLC.cs
@@ -75,26 +75,6 @@ namespace S7.Net
                 if (tcpClient != null) tcpClient.SendTimeout = writeTimeout;
             }
         }
-        
-        /// <summary>
-        /// Returns true if a connection to the PLC can be established
-        /// </summary>
-        public bool IsAvailable
-        {
-            //TODO: Fix This
-            get
-            {
-                try
-                {
-                    OpenAsync().GetAwaiter().GetResult();
-                    return true;
-                }
-                catch
-                {
-                    return false;
-                }
-            }
-        }
 
         /// <summary>
         /// Checks if the socket is connected and polls the other peer (the PLC) to see if it's connected.