using System;
using System.Threading;

using Microsoft.Win32.SafeHandles;

class Program
{
	static void Main ()
	{
		AutoResetEvent are1 = new AutoResetEvent (false);
		SafeWaitHandle swh1 = are1.SafeWaitHandle;
		are1.SafeWaitHandle = null;
		Console.WriteLine ("#1:" + (are1.SafeWaitHandle != null));
		Console.WriteLine ("#2:" + (((int) are1.Handle) == -1));
		Console.WriteLine ("#3:" + (are1.SafeWaitHandle.IsInvalid));
		Console.WriteLine ("#4:" + (!are1.SafeWaitHandle.IsClosed));
		Console.WriteLine ("#5:" + !swh1.IsClosed);
	}
}