using System;

struct Message
{
	public int Msg { get; set; }
	public IntPtr WParam { get; set; }
	public IntPtr LParam { get; set; }
}

static class WinExtensions
{
	public static bool WMActivateApp_Active(this Message m)
	{
	  return (int)m.WParam != 0;
	}
}

public class Test
{
	public static void Main()
	{
		Message m = new Message();
		
		Console.WriteLine(m.WMActivateApp_Active());
	}
}