Fixed several part

Example1/AudioStreamer.cs

@@ -108,7 +108,7 @@ namespace Example
 
       _ws.OnError += (sender, e) =>
       {
-        enNfMessage("[AudioStreamer] error", "WS Error: " + e.Data, "notification-message-im");
+        enNfMessage("[AudioStreamer] error", "WS: Error: " + e.Data, "notification-message-im");
       };
 
       _ws.OnClose += (sender, e) =>
@@ -116,7 +116,7 @@ namespace Example
         enNfMessage
         (
           "[AudioStreamer] disconnect",
-          String.Format("WS Close({0}:{1}): {2}", (ushort)e.Code, e.Code, e.Reason),
+          String.Format("WS: Close({0}:{1}): {2}", (ushort)e.Code, e.Code, e.Reason),
           "notification-message-im"
         );
       };

websocket-sharp.userprefs

@@ -2,7 +2,7 @@
   <MonoDevelop.Ide.Workspace ActiveConfiguration="Release_Ubuntu" />
   <MonoDevelop.Ide.Workbench ActiveDocument="websocket-sharp/WebSocket.cs">
     <Files>
-      <File FileName="websocket-sharp/WebSocket.cs" Line="217" Column="41" />
+      <File FileName="websocket-sharp/WebSocket.cs" Line="428" Column="39" />
     </Files>
   </MonoDevelop.Ide.Workbench>
   <MonoDevelop.Ide.DebuggingService.Breakpoints>

websocket-sharp/Ext.cs

@@ -36,6 +36,25 @@ namespace WebSocketSharp
 {
   public static class Ext
   {
+    public static void Emit(
+      this EventHandler eventHandler, object sender, EventArgs e)
+    {
+      if (eventHandler != null)
+      {
+        eventHandler(sender, e);
+      }
+    }
+
+    public static void Emit<TEventArgs>(
+      this EventHandler<TEventArgs> eventHandler, object sender, TEventArgs e)
+      where TEventArgs : EventArgs
+    {
+      if (eventHandler != null)
+      {
+        eventHandler(sender, e);
+      }
+    }
+
     public static bool EqualsAndSaveTo(this int value, char c, List<byte> dest)
     {
       byte b = (byte)value;

websocket-sharp/Frame/PayloadData.cs

@@ -47,6 +47,7 @@ namespace WebSocketSharp.Frame
 
     public byte[] ExtensionData   { get; private set; }
     public byte[] ApplicationData { get; private set; }
+
     public bool IsMasked { get; private set; }
 
     public ulong Length
@@ -154,6 +155,7 @@ namespace WebSocketSharp.Frame
       {
         mask(ExtensionData, maskingKey);
       }
+
       if (ApplicationData.LongLength > 0)
       {
         mask(ApplicationData, maskingKey);

websocket-sharp/WebSocket.cs

@@ -126,10 +126,7 @@ namespace WebSocketSharp
         {
           case WsState.OPEN:
             messageThreadStart();
-            if (OnOpen != null)
-            {
-              OnOpen(this, EventArgs.Empty);
-            }
+            OnOpen.Emit(this, EventArgs.Empty);
             break;
           case WsState.CLOSING:
             break;
@@ -229,14 +226,14 @@ namespace WebSocketSharp
         else if (_readyState == WsState.CONNECTING)
         {
           ReadyState = WsState.CLOSED;
-          emitOnClose(data);
+          OnClose.Emit(this, new CloseEventArgs(data));
           return;
         }
 
         ReadyState = WsState.CLOSING;
       }
       
-      emitOnClose(data);
+      OnClose.Emit(this, new CloseEventArgs(data));
       var frame = new WsFrame(Opcode.CLOSE, data);
       closeHandshake(frame);
       #if DEBUG
@@ -428,27 +425,14 @@ namespace WebSocketSharp
       ReadyState = WsState.OPEN;
     }
 
-    private void emitOnClose(PayloadData data)
-    {
-      if (OnClose != null)
-      {
-        OnClose(this, new CloseEventArgs(data));
-      }
-    }
-
     private void error(string message)
     {
+      #if DEBUG
       var callerFrame = new StackFrame(1);
       var caller      = callerFrame.GetMethod();
-
-      if (OnError != null)
-      {
-        OnError(this, new MessageEventArgs(message));
-      }
-      else
-      {
       Console.WriteLine("WS: Error@{0}: {1}", caller.Name, message);
-      }
+      #endif
+      OnError.Emit(this, new MessageEventArgs(message));
     }
 
     private bool isValidResponse(string[] response, out string message)
@@ -548,9 +532,9 @@ namespace WebSocketSharp
         {
           eventArgs = receive();
 
-          if (OnMessage != null && eventArgs != null)
+          if (eventArgs != null)
           {
-            OnMessage(this, eventArgs);
+            OnMessage.Emit(this, eventArgs);
           }
         }
         catch (WsReceivedTooBigMessageException ex)
@@ -630,17 +614,11 @@ namespace WebSocketSharp
             else if (frame.Opcode == Opcode.PING)
             {// FINAL & PING
               pong(frame.PayloadData);
-              if (OnMessage != null)
-              {
-                OnMessage(this, new MessageEventArgs(frame.Opcode, frame.PayloadData));
-              }
+              OnMessage.Emit(this, new MessageEventArgs(frame.Opcode, frame.PayloadData));
             }
             else if (frame.Opcode == Opcode.PONG)
             {// FINAL & PONG
-              if (OnMessage != null)
-              {
-                OnMessage(this, new MessageEventArgs(frame.Opcode, frame.PayloadData));
-              }
+              OnMessage.Emit(this, new MessageEventArgs(frame.Opcode, frame.PayloadData));
             }
             else
             {// FINAL & (TEXT | BINARY)