// CS0832: An expression tree cannot contain an assignment operator // Line: 19 using System; using System.Linq.Expressions; public delegate void EventHandler (int i, int j); public class Button { public event EventHandler Click; } public class Blah { public static void Main () { Button b = new Button (); Expression e = () => b.Click += new EventHandler (Button1_Click); } public static void Button1_Click (int i, int j) { } }