gistfile1.txt

	    public WeakReference Reference;
		public override void ViewDidLoad()
		{
			base.ViewDidLoad();

			float y = 30;
			View.BackgroundColor = UIColor.White;

			// The image we will work with; we derive our own so we can see
			// it get destroyed.
			var imageView = new MyImageView(new RectangleF(0, View.Bounds.Height / 2, View.Bounds.Width, View.Bounds.Height / 2));
			Add(imageView);
            Reference = new WeakReference(imageView);
			// Create the button to remove our image
			AddButton(ref y, "Remove Image from Screen", 
				(sender, e) => {
					Console.WriteLine ("Removing image from UI");
					imageView.RemoveFromSuperview();
				                   imageView.Dispose();
				                   imageView = null;
				});
		    AddButton(ref y, "Output reference", (sender, args) =>
		    {
                Console.WriteLine(Reference.IsAlive);
		    });
		  //   TODO: Step 1 - Force GC
			AddButton(ref y, "Force GC Now!", 
				(sender, e) => {
					// This forces a Garbage Collection
					Console.WriteLine ("Forcing GC!");
					GC.Collect();
					GC.WaitForPendingFinalizers();
					GC.Collect();
				});
		}