The (Unofficial) ITWorx Technical Architecture Blog

Anonymous Methods in C#

Posted by archworx on May 23, 2007

In .Net v1.x, declaration of delegate required named methods. C# 2.0 introduced anonymous methods, as MSDN states, “Creating anonymous methods is essentially a way to pass a code block as a delegate parameter.

// Create a handler for a click event
btn.Click += delegate(System.Object o, System.EventArgs e) { MessageBox.Show("Click!"); };

This can be very useful in some cases such as a parameter to the Thread constructor:

new System.Threading.Thread(

Click here for more info.


One Response to “Anonymous Methods in C#”

  1. Luc said

    Another great use is when using the ForEach method of a List like this:

    string UserList = "";
    List MyUsers = GetUsers();
    MyUsers.ForEach(delegate(User theUser)
    UserList += theUser.Name + " (" + theUser.Email + ")\n";

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