title: Monotouch - NSInvalidArgumentException
body: <p>I've got this error:</p>
  
  <pre><code>2011-03-28 15:38:07.154 FolderNavigation[264:207] -[Subfolder _setViewDelegate:]: unrecognized selector sent to instance 0x6eaafd0
  
  Unhandled Exception: MonoTouch.Foundation.MonoTouchException: Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: -[Subfolder _setViewDelegate:]: unrecognized selector sent to instance 0x6eaafd0
    at (wrapper managed-to-native) MonoTouch.UIKit.UIApplication:UIApplicationMain (int,string[],intptr,intptr)
    at MonoTouch.UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x00038] in /Users/plasma/Source/iphone/monotouch/UIKit/UIApplication.cs:26 
    at MonoTouch.UIKit.UIApplication.Main (System.String[] args) [0x00000] in /Users/plasma/Source/iphone/monotouch/UIKit/UIApplication.cs:31 
    at FolderNavigation.Application.Main (System.String[] args) [0x00000] in /Users/claudio/Projects/FolderNavigation/FolderNavigation/Main.cs:16 
  Error connecting stdout and stderr (127.0.0.1:10001)
  </code></pre>
  
  <p>and following de code using Debug(using Step Into)</p>
  
  <p>Starting on Main.cs:</p>
  
  <pre><code>static void Main (string[] args)
  {
      UIApplication.Main (args);
  }
  </code></pre>
  
  <p>Subfolder.xib.cs(next Step Into)</p>
  
  <pre><code>[Export("initWithCoder:")]
  public Subfolder (NSCoder coder) : base(coder)
  {
      Initialize ();
  }
  
  void Initialize ()
  {
  }
  </code></pre>
  
  <p>and in the next step, I have got this error.<br>
   Does anybody have an idea?</p>
  
  <p>Thanks in advance!</p>