C#

C:> COPY CON C:\WINDOWS\GOTOTEMP.CMD
@ECHO OFF
C:
CD C:\TEMP
^Z

private const int WM_MOUSEWHEEL = 0x020A;
protected override void WndProc(ref Message m)
{
    if (m.Msg == WM_MOUSEWHEEL)
    {
        if (m.WParam.ToInt32() > 0)
        {
            //Mouse wheel rotated forward (away from user)
        }
        else
        {
            //Mouse wheel rotated backward (towards user)
        }
    }
    base.WndProc(ref m);
}

protected override void OnMouseWheel(MouseEventArgs e)
{
       base.OnMouseWheel (e);
       if((e.Delta / -120) > 0) //mousewheel moved forward
       {
       }
       else
       {
       }
}

foreach (string email in base.To) {<br />
 memo.To.Add(email.Substring(email.LastIndexOf("\"") + 1));<br />
}

private void Add(MailItem item);

Add("hello"); // error: cannot convert string to MailItem.

Add(5); // error cannot convert int to MailItem.

foreach(WhateverTypeItReturns r in message.To)
{
   ...
}