need help about how to add Menu page
<p>i'm download DrillDownApp example project from iPhoneSDKArticles</p>

<p>i have a problem when i'm try to add menu page
before load MainWindow.</p>

<p>i can't load [window addSubview:[navigationController view]]; on other class except on DrillDownAppAppDelegate.m</p>

<p>could you explane me or give me some tutorial how to add menu page on DrillDownApp please </p>

<p>i'm new to iphone development, need some advise please , thanks all</p>
