title: Cannot access a closed Stream of a memoryStream, how to reopen?
body: <p>I have a memoryStream instance and it is closed. </p>
  
  <p>I already have tried:</p>
  
  <pre><code>memoryStream.Flush();
  memoryStream.Position=0;
  </code></pre>
  
  <p>To reopen the memory stream but it does not work. How can I reopen a closed memory stream?</p>