Diffrences between Eventhandler and Routed event handler in Silverlight

Here is a simple and correct answer:

The second parameter of EventHandler is an instance of EventArgs while the second parameter of RoutedEventHandler is RoutedEventArgs...

It looks like this:

public delegate void EventHandler(object sender, EventArgs e);
public delegate void RoutedEventHandler(object sender, RoutedEventArgs e);

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Ok, I know the answer I gave you is pretty useless, so I'll give you another one:

I assume you want to know what's the difference between Events and Routed Events. These 2 articles might help you:

http://msdn.microsoft.com/en-us/library/ms742806.aspx (a MSDN article)

http://joshsmithonwpf.wordpress.com/2008/03/18/understanding-routed-commands/ (a great article about Routed Commands that also contains a very nice explanation of Routed Events)