Steps to package dll into exe in C# project

using System;
using ;
using ;
using ;
using ;
 
 
namespace 
{
  /// <summary> Load the dynamic link library (dll) file in the resource  /// &lt;/summary&gt;
  static class LoadResourceDll
  {
    static Dictionary&lt;string, Assembly&gt; Dlls = new Dictionary&lt;string, Assembly&gt;();
    static Dictionary&lt;string, object&gt; Assemblies = new Dictionary&lt;string, object&gt;();
 
 
    static Assembly AssemblyResolve(object sender, ResolveEventArgs args)
    {
      //Assembly      Assembly ass;
      //Get the full name of the assembly that failed to load      var assName = new AssemblyName().FullName;
      //Judge whether there is a loaded assembly of the same name in the Dlls collection      if ((assName, out ass) &amp;&amp; ass != null)
      {
        Dlls[assName] = null;//If there is, empty and return        return ass;
      }
      else
      {
        throw new DllNotFoundException(assName);// Otherwise, an exception that failed to load will be thrown      }
    }
 
 
    /// <summary> Register the dll in the resource    /// &lt;/summary&gt;
    public static void RegistDLL()
    {
      //Get the caller's assembly      var ass = new StackTrace(0).GetFrame(1).GetMethod().;
      //Judge whether the assembly has been processed      if (())
      {
        return;
      }
      //Assembly join the processed collection      (, null);
      //Binding assembly loading event failed (I tested it here, even if you bind it repeatedly, it doesn't matter)       += AssemblyResolve;
      //Get all resource file names      var res = ();
      foreach (var r in res)
      {
        //If it is dll, then load        if ((".dll", ))
        {
          try
          {
            if (("") 
              || ("CryptEnDe_d.dll"))
            {
              ExtractResourceToFile(r, () + @"/" + (('.') + 1));
            }
 
 
            var s = (r);
            var bts = new byte[];
            (bts, 0, (int));
            var da = (bts);
            //Judge whether it has been loaded            if (())
            {
              continue;
            }
            Dlls[] = da;
          }
          catch(Exception e)
          {
            //Forget it if the load fails...          }
        }
      }
    }
 
 
    private static void ExtractResourceToFile(string resourceName, string filename)
    {
      //if (!(filename))
      {
        using ( s = ().GetManifestResourceStream(resourceName))
        {
          using ( fs = new (filename, , , ))
          {
            byte[] b = new byte[];
            (b, 0, );
            (b, 0, );
          }
        }
      }
    }
 
 
  }
}

public static string GetUpdateDllPath()
{
  string strPath = @"C:/LTShiyi/cache/updatedll";
  if (!(strPath))
  {
    (strPath);
  }
 
   return strPath;
}

static Program()
{
  ();
}