From 1e9f1f37645fd56b6c8f72efba6558d0264a6e31 Mon Sep 17 00:00:00 2001
From: everyx <lunt.luo@gmail.com>
Date: Sun, 11 Oct 2015 00:21:25 +0800
Subject: [PATCH] fix ArgumentOutOfRangeException

---
 shadowsocks-csharp/View/ConfigForm.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/shadowsocks-csharp/View/ConfigForm.cs b/shadowsocks-csharp/View/ConfigForm.cs
index 9ae26583..667e886d 100755
--- a/shadowsocks-csharp/View/ConfigForm.cs
+++ b/shadowsocks-csharp/View/ConfigForm.cs
@@ -188,7 +188,10 @@ namespace Shadowsocks.View
                 ServersListBox.SelectedIndex = _lastSelectedIndex;
                 return;
             }
-            ServersListBox.Items[_lastSelectedIndex] = _modifiedConfiguration.configs[_lastSelectedIndex].FriendlyName();
+            if (_lastSelectedIndex >= 0)
+            {
+                ServersListBox.Items[_lastSelectedIndex] = _modifiedConfiguration.configs[_lastSelectedIndex].FriendlyName();
+            }
             UpdateMoveUpAndDownButton();
             LoadSelectedServer();
             _lastSelectedIndex = ServersListBox.SelectedIndex;