gistfile1.txt

using System;
using AppKit;
using Foundation;

namespace Cursor_test
{
	[Register ("MyBox")]
	public class MyBox : NSBox
	{
		public MyBox (IntPtr handle) : base(handle)
		{
		}

		public override void ViewDidMoveToWindow ()
		{
			base.ViewDidMoveToWindow ();
			AddTrackingRect (VisibleRect(), this, IntPtr.Zero, false);
		}

		public override void MouseMoved (NSEvent theEvent)
		{
			base.MouseMoved (theEvent);
		}

		public override void ResetCursorRects()
		{
			AddCursorRect(VisibleRect(), NSCursor.CrosshairCursor);
			//base.ResetCursorRects();
		}
	}
}