Disable Browsable attribute which is from winforms for design time property window support.

Remove usage of ThreadPriority for netcore.

StackExchange.Redis/StackExchange/Redis/ConfigurationOptions.cs

@@ -139,7 +139,11 @@ public static string TryNormalize(string value)
         /// <summary>
         /// Indicates whether the connection should be encrypted
         /// </summary>
-        [Obsolete("Please use .Ssl instead of .UseSsl"), Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
+        [Obsolete("Please use .Ssl instead of .UseSsl"),
+#if !NETCORE
+            Browsable(false),
+#endif
+            EditorBrowsable(EditorBrowsableState.Never)]
         public bool UseSsl { get { return Ssl; } set { Ssl = value; } }
 
         /// <summary>

StackExchange.Redis/StackExchange/Redis/HashEntry.cs

@@ -31,7 +31,11 @@ public HashEntry(RedisValue name, RedisValue value)
         /// <summary>
         /// The name of the hash field
         /// </summary>
-        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Obsolete("Please use Name", false)]
+        [
+#if !NETCORE
+            Browsable(false),
+#endif
+            EditorBrowsable(EditorBrowsableState.Never), Obsolete("Please use Name", false)]
         public RedisValue Key { get { return name; } }
 
         /// <summary>

StackExchange.Redis/StackExchange/Redis/Message.cs

@@ -2,7 +2,9 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+#if FEATURE_SERIALIZATION
 using System.Runtime.Serialization;
+#endif
 using System.Text;
 using System.Threading.Tasks;
 

StackExchange.Redis/StackExchange/Redis/PhysicalConnection.cs

@@ -128,13 +128,17 @@ public void Dispose()
             if (outStream != null)
             {
                 multiplexer.Trace("Disconnecting...", physicalName);
+#if !NETCORE
                 try { outStream.Close(); } catch { }
+#endif
                 try { outStream.Dispose(); } catch { }
                 outStream = null;
             }
             if (netStream != null)
             {
+#if !NETCORE
                 try { netStream.Close(); } catch { }
+#endif
                 try { netStream.Dispose(); } catch { }
                 netStream = null;
             }

StackExchange.Redis/StackExchange/Redis/SocketManager.Poll.cs

@@ -376,10 +376,14 @@ private void ReadImpl()
 
         private void StartReader()
         {
+#if !NETCORE
             var thread = new Thread(read, 32 * 1024); // don't need a huge stack
+            thread.Priority = ThreadPriority.AboveNormal; // time critical
+#else
+            var thread = new Thread(read); // don't need a huge stack
+#endif
             thread.Name = name + ":Read";
             thread.IsBackground = true;
-            thread.Priority = ThreadPriority.AboveNormal; // time critical
             thread.Start(this);
         }
         [StructLayout(LayoutKind.Sequential)]

StackExchange.Redis/StackExchange/Redis/SocketManager.cs

@@ -126,8 +126,12 @@ public SocketManager(string name = null)
 
             // we need a dedicated writer, because when under heavy ambient load
             // (a busy asp.net site, for example), workers are not reliable enough
+#if !NETCORE
             Thread dedicatedWriter = new Thread(writeAllQueues, 32 * 1024); // don't need a huge stack;
             dedicatedWriter.Priority = ThreadPriority.AboveNormal; // time critical
+#else
+            Thread dedicatedWriter = new Thread(writeAllQueues);
+#endif
             dedicatedWriter.Name = name + ":Write";
             dedicatedWriter.IsBackground = true; // should not keep process alive
             dedicatedWriter.Start(this); // will self-exit when disposed
@@ -334,7 +338,9 @@ private void Shutdown(Socket socket)
             {
                 OnShutdown(socket);
                 try { socket.Shutdown(SocketShutdown.Both); } catch { }
+#if !NETCORE
                 try { socket.Close(); } catch { }
+#endif
                 try { socket.Dispose(); } catch { }
             }
         }

StackExchange.Redis/StackExchange/Redis/SortedSetEntry.cs

@@ -32,13 +32,21 @@ public SortedSetEntry(RedisValue element, double score)
         /// <summary>
         /// The score against the element
         /// </summary>
-        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Obsolete("Please use Score", false)]
+        [
+#if !NETCORE
+            Browsable(false),
+#endif
+            EditorBrowsable(EditorBrowsableState.Never), Obsolete("Please use Score", false)]
         public double Value { get { return score; } }
 
         /// <summary>
         /// The unique element stored in the sorted set
         /// </summary>
-        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Obsolete("Please use Element", false)]
+        [
+#if !NETCORE
+            Browsable(false),
+#endif
+            EditorBrowsable(EditorBrowsableState.Never), Obsolete("Please use Element", false)]
         public RedisValue Key { get { return element; } }
 
         /// <summary>