Update update setting entry.

Update/Program.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Forms;
+using System.Diagnostics;
+using System.IO;
+using System.Text;
+
+namespace Update
+{
+	static class Program
+	{
+		static string EscapeArgument (string arg)
+		{
+			if (arg.Length == 0) return "\"\"";
+			bool needQuotes = arg.Any (char.IsWhiteSpace) || arg.Contains ('"');
+			if (!needQuotes) return arg;
+			var sb = new StringBuilder ();
+			sb.Append ('"');
+			int backslashes = 0;
+			foreach (char c in arg)
+			{
+				if (c == '\\')
+				{
+					backslashes++;
+				}
+				else if (c == '"')
+				{
+					sb.Append ('\\', backslashes * 2 + 1);
+					sb.Append ('"');
+					backslashes = 0;
+				}
+				else
+				{
+					sb.Append ('\\', backslashes);
+					sb.Append (c);
+					backslashes = 0;
+				}
+			}
+			sb.Append ('\\', backslashes * 2);
+			sb.Append ('"');
+			return sb.ToString ();
+		}
+		/// <summary>
+		/// 应用程序的主入口点。
+		/// </summary>
+		[STAThread]
+		static void Main (string [] args)
+		{
+			Process p = new Process ();
+			p.StartInfo.FileName = Path.Combine (AppDomain.CurrentDomain.BaseDirectory, "settings.exe");
+			var arguments = new List<string>
+			{
+				"appinstaller",
+				"update"
+			};
+			arguments.AddRange (args);
+			p.StartInfo.Arguments = string.Join (" ", arguments.Select (EscapeArgument));
+			p.Start (); 
+			p.WaitForExit (); 
+			int exitCode = p.ExitCode; 
+		}
+	}
+}