C#

private void LoadOptions()
{
   // Use a copy of the keys to avoid the silly "collection modified" 
   // exception that occurs if you iterate over it directly:
   string [] keys = new string[currentOptions.Keys.Count];
   currentOptions.Keys.CopyTo( keys, 0 );

   foreach( string optionName in keys )
   {
      System.Type optionType = currentOptions[optionName].GetType();
      string iniSetting = GetSetting( optionName );
 
      Array enumValues = Enum.GetValues( optionType );
      foreach( object enumValue in enumValues )
      {
         if( enumValue.ToString() == iniSetting )
         {
            Utils.Trace(null,"Option {0} changed from {1} to {2}.", optionName,
               currentOptions[optionName].ToString(), iniSetting );
            currentOptions[optionName] = enumValue;
         }
      }
   }
}

private void Method1()<br />
{<br />
    Assembly3 a3 = new Assembly3();<br />
    a3.PropertyA = "Something";<br />
<br />
    a3.Commit();<br />
}

public void Commit()<br />
{<br />
     Assembly2 a2 = new Assembly2();<br />
     a2.DoSomeWork(this);<br />
}

public void DoSomeWork(Assembly3 a3)<br />
{<br />
     //You now have a reference to an object (Assembly3) <br />
     //which you can use in your method..<br />
<br />
    Console.WriteLine(a3.PropertyA);<br />
<br />
}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\<br />
CurrentVersion\Installer\UserData\S-1-5-18\<br />
Products\18BDC9716DDB9A34F877C4F67C64396B\InstallProperties