224.html">Events</a></td>
<td>Extension methods to safely trigger events. Triggering events
             using Raise() is both null-safe and thread-safe. Delegates
             are still required to ensure the state they are accessing
             is valid.</td>
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<img src="../../GFX/PublicClass.gif" alt="Public Class" /></td>
<td><a href="../../Contents/1/225.html">ImmutableValue&lt;T&gt;</a></td>
<td>An immutable value.</td>
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