never use string.Equals(string) if you don't know what you are doing

shadowsocks-csharp/Controller/System/AutoStartup.cs

@@ -1,5 +1,5 @@
-using System;
-using System.Windows.Forms;
+using System;
+using System.Windows.Forms;
 using Microsoft.Win32;
 
 namespace Shadowsocks.Controller
@@ -14,7 +14,7 @@ namespace Shadowsocks.Controller
             try
             {
                 string path = Application.ExecutablePath;
-                runKey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Run", true);
+                runKey = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Run", true);
                 if (enabled)
                 {
                     runKey.SetValue(Key, path);
@@ -47,13 +47,13 @@ namespace Shadowsocks.Controller
             try
             {
                 string path = Application.ExecutablePath;
-                runKey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Run", true);
+                runKey = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Run", true);
                 string[] runList = runKey.GetValueNames();
                 foreach (string item in runList)
                 {
-                    if (item.Equals(Key))
+                    if (item == Key)
                         return true;
-                    else if (item.Equals("Shadowsocks")) // Compatibility with older versions
+                    else if (item == "Shadowsocks") // Compatibility with older versions
                     {
                         string value = Convert.ToString(runKey.GetValue(item));
                         if (path.Equals(value, StringComparison.InvariantCultureIgnoreCase))
@@ -82,4 +82,4 @@ namespace Shadowsocks.Controller
             }
         }
     }
-}
+}