【原创】 c#单文件绿色资源自更新

先引用dnlib.dll 更新程序先fody成一个文件

放置主程序资源文件 更新程序.exe

 #region

 using System;

 using System.Diagnostics;

 using System.IO;

 using System.Linq;

 using System.Runtime.InteropServices;

 using System.Text;

 using dnlib.DotNet;

 using dnlib.DotNet.Resources;

 using dnlib.DotNet.Writer;

 using dnlib.IO;

 #endregion

 namespace 更新程序

 {

     internal class Program

     {

         private static string FileExt { get; set; }

         private static string Filename { get; set; }

         private static void Main()

         {

             FileExt = Path.GetExtension(Properties.Resources.FileName);

             Filename = Path.GetFileNameWithoutExtension(Properties.Resources.FileName);

             UpDateResx();

             DeleteItself();

         }

         public static void UpDateResx()

         {

             string  path = Properties.Resources.FileName;

             string resxName = Properties.Resources.Name;

             string resxValue = Properties.Resources.Value;

             var processes = Process.GetProcesses();

             Stopwatch st = new Stopwatch();

             st.Start();

             while (processes.FirstOrDefault(s => Filename == s.ProcessName) != null)

             {

                 if (st.Elapsed > TimeSpan.FromSeconds())

                 {

                     return;

                 }

             }

             ModuleDefMD module = ModuleDefMD.Load(path);

             EmbeddedResource resx =

                 (EmbeddedResource) module.Resources.Find(module.Assembly.Name + ".Properties.Resources.resources");

             ResourceElementSet elementSet = ResourceReader.Read(module, resx.Data);

             try

             {

                 ResourceElement element = elementSet.ResourceElements.First(s => s.Name == resxName);

                 element.ResourceData = new BuiltInResourceData(ResourceTypeCode.String, resxValue);

                 elementSet.Add(element);

                 MemoryStream ms = new MemoryStream();

                 ResourceWriter.Write(module, ms, elementSet);

                 resx.Data = new MemoryImageStream(, ms.GetBuffer(), , ms.GetBuffer().Length);

                 if (module.IsILOnly)

                     module.Write(Filename+"_tmp"+FileExt, new ModuleWriterOptions(module));

                 else

                     module.NativeWrite(Filename + "_tmp" + FileExt);

             }

             catch (Exception e)

             {

                 Console.WriteLine(e);

                 return;

             }

             module.Dispose();

         }

         /// <summary>

         ///     删除程序自身（本文地址：http://www.cnblogs.com/Interkey/p/DeleteItself.html）【推荐】

         /// </summary>

         private static void DeleteItself()

         {

             string selfName = Path.GetFileName(Process.GetCurrentProcess().MainModule.FileName);

             string vBatFile = Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName) + "\\DeleteItself.bat";

             using (StreamWriter vStreamWriter = new StreamWriter(vBatFile, false, Encoding.Default))

             {

                 vStreamWriter.Write(":move\r\n" +

                                     $" move /Y {Filename}_tmp{FileExt} {Filename}{FileExt}  \r\n" +

                                     $"if exist {Filename}_tmp{FileExt} goto move\r\n" +

                                     ":del\r\n" +

                                     $" del {selfName}\r\n" +

                                     $"if exist {selfName} goto del\r\n" +

                                     "del %0\r\n");

             }

             //************ 执行批处理

             WinExec(vBatFile, );

             //************ 结束退出

             Environment.Exit();

         }

         [DllImport("kernel32.dll")]

         public static extern uint WinExec(string lpCmdLine, uint uCmdShow);

     }

 }

主程序结束时中使用下列方法自更新资源

  public static void WriteUpdate(string name,string value)

         {

             string selfName =Path.GetFileName(Process.GetCurrentProcess().MainModule.FileName);

             ModuleDefMD module = ModuleDefMD.Load(Properties.Resources.更新程序);

             EmbeddedResource resx =

                 (EmbeddedResource)module.Resources.Find(module.Assembly.Name + ".Properties.Resources.resources");

             ResourceElementSet elementSet = dnlib.DotNet.Resources.ResourceReader.Read(module, resx.Data);

             try

             {

                 ResourceElement element = elementSet.ResourceElements.First(s => s.Name == "FileName");

                 element.ResourceData = new BuiltInResourceData(ResourceTypeCode.String, selfName);

                 elementSet.Add(element);

                 ResourceElement element1 = elementSet.ResourceElements.First(s => s.Name == "Name");

                 element1.ResourceData = new BuiltInResourceData(ResourceTypeCode.String, name);

                 elementSet.Add(element1);

                 ResourceElement element2 = elementSet.ResourceElements.First(s => s.Name == "Value");

                 element2.ResourceData = new BuiltInResourceData(ResourceTypeCode.String, value);

                 elementSet.Add(element2);

                 MemoryStream ms = new MemoryStream();

                 dnlib.DotNet.Resources.ResourceWriter.Write(module, ms, elementSet);

                 resx.Data = new MemoryImageStream(, ms.GetBuffer(), , ms.GetBuffer().Length);

                 if (module.IsILOnly)

                     module.Write("更新程序.exe", new ModuleWriterOptions(module));

                 else

                     module.NativeWrite("更新程序.exe");

             }

             catch (Exception e)

             {

                 Console.WriteLine(e);

                 return;

             }

             module.Dispose();

             ProcessStartInfo psi = new ProcessStartInfo("更新程序.exe");

             psi.WindowStyle = ProcessWindowStyle.Hidden;

             psi.CreateNoWindow = true;

             Process.Start(psi);

             Environment.Exit();

         }