// cs0070.cs : The event 'Click' can only appear on the left-side of a += or -= (except when used from within the type 'Button') // Line : 20 using System; public delegate void EventHandler (int i, int j); public class Button { public event EventHandler Click; } public class Blah { Button Button1 = new Button (); public void Connect () { Button1.Click = new EventHandler (Button1_Click); } public void Button1_Click (int i, int j) { } public static void Main () { } }