namespace Example
{
  class Program
  {
    static void Main()
    {
      new Class1().Test();
      Console.WriteLine("Press Enter key to exit...");
      Console.ReadLine();
    }
  }
}

namespace Example
{
  public class Class1
  {
    public void Test()
    {
      Console.WriteLine(DateTime.Now);
    }
  }
}

namespace MyNamespace
{
  public class Starter
  {
    [STAThread]
    static void Main(string[] args) 
    {
      AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(CurrentDomain_AssemblyResolve);

Assembly asm = GetAssembly("MyNamespace.Test.exe");
      MethodInfo info = asm.EntryPoint;
      ParameterInfo[] parameters = info.GetParameters();
      if ((parameters != null) && (parameters.Length > 0))
        info.Invoke(null, (object[])args);
      else
        info.Invoke(null, null);
      
    }

private static Assembly GetAssembly(string resName)
    {
      Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(resName);
      byte[] bs = new byte[stream.Length];
      stream.Read(bs, 0, (int)stream.Length);
      Assembly asm = Assembly.Load(bs);

return asm;
    }

private static Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
    {
      return GetAssembly("MyNamespace.Test.dll");
    }
  }
}