using System;
using System.Drawing;
using System.Windows.Forms;
class PoePoem: Form
{
public static void Main()
{
if (!SystemInformation.MouseWheelPresent)
{
Console.WriteLine("needs a mouse with a mouse wheel!");
return;
}
Application.Run(new PoePoem());
}
public PoePoem()
{
}
protected override void OnMouseWheel(MouseEventArgs mea)
{
Console.WriteLine(mea.Delta);
}
}