title: Disable/Enable quad menu item using 3ds max sdk
body: <p>I have added a menu item to the quad menu. how can I disable and enable this menu? </p>
  
  <pre><code>IQuadMenuContext* pContext = (IQuadMenuContext*) GetCOREInterface()-&gt;GetMenuManager()-&gt;GetContext(kViewportQuad);
  IMenu *pMenuInQuadMenu = NULL;
  IQuadMenu *pQuadMenu = pContext-&gt;GetMenu(0);
  pMenuInQuadMenu = pQuadMenu-&gt;GetMenu(0);
  
  IMenuItem* pNewMenuItem = GetIMenuItem();
  pNewMenuItem-&gt;SetActionItem( pAction );
  pNewMenuItem-&gt;SetUseCustomTitle(true);
  pNewMenuItem-&gt;SetTitle(L"Menu Item");
  pMenuInQuadMenu-&gt;AddItem( pNewMenuItem,0 );
  </code></pre>