uced the .NET Framework and an associated set of
      languages and language extensions, one of which is the
      delegate. Delegates are similar to signals and slots, but they
      are more limited than most C++ signals and slots implementations
      in that they:</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p>Require exact type matches between a delegate and what
          it is calling.</p></li>
<li class="listitem"><p>Only return the r