Rotate.cs

public override void DidRotate( UIInterfaceOrientation fromInterfaceOrientation ) 
{

	Console.WriteLine("DidRotate-oreginal: " + fromInterfaceOrientation);
	Console.WriteLine("DidRotate-now: " + InterfaceOrientation);
	switch ( InterfaceOrientation )
	{
		case UIInterfaceOrientation.LandscapeLeft:
		case UIInterfaceOrientation.LandscapeRight:
			//Landscape
			break;
		default:
			//Portrait mode
			break;
	}
}