title: Get pointer (IntPtr) of int value
body: <p>How I can get an Intptr pointer of integer value?</p>
  
  <p>I was trying to do that it work. Are any other variants?</p>
  
  <pre><code>GCHandle gCHandle = GCHandle.Alloc (size, GCHandleType.Pinned);
  IntPtr sizePtr = gCHandle.AddrOfPinnedObject ();
  </code></pre>