[Modify] Polish it

5 years ago · 41dd8b89d1
parent 412070f47f
commit 41dd8b89d1
1 changed files with 7 additions and 2 deletions
--- a/websocket-sharp/Net/HttpListenerPrefixCollection.cs
+++ b/websocket-sharp/Net/HttpListenerPrefixCollection.cs
@ -134,12 +134,17 @@ namespace WebSocketSharp.Net
    public void Add (string uriPrefix)
    {
      _listener.CheckDisposed ();
+
      HttpListenerPrefix.CheckPrefix (uriPrefix);
+
      if (_prefixes.Contains (uriPrefix))
        return;

      _prefixes.Add (uriPrefix);
-      if (_listener.IsListening)
+
+      if (!_listener.IsListening)
+        return;
+
      EndPointManager.AddPrefix (uriPrefix, _listener);
    }