files/zh-cn/mozilla/tech/xpcom/reference/glue_classes/nscomptr/index.html


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---
title: 使用nsCOMPtr
slug: Mozilla/Tech/XPCOM/Reference/Glue_classes/nsCOMPtr
translation_of: Mozilla/Tech/XPCOM/Reference/Glue_classes/nsCOMPtr
---
<p>这篇文档是对nsCOMPtr的一个总述。如果您所遇到的问题，无法在该文档中找到答案，可能就没有其他文档可以回答它了。您需要求助于XPCOM新闻组或者有nsCOMPtr使用经验的人来求解，或者根据自己的试验获取答案。</p>

<p>如果您尚未使用过nsCOMPtr，您正好可从这里开始。当您使用了一段时间后，或者遇到了不熟悉的领域，或者出现编译错误，您可返回该文档，在参考手册或者FAQ中求助。</p>

<h2 id="Contents" name="Contents">内容</h2>

<ol>
 <li><a href="/en/Using_nsCOMPtr/Status,_Recent_Changes,_and_Plans" title="en/Using_nsCOMPtr/Status,_Recent_Changes,_and_Plans">状态，最新修改和计划</a>

  <ol>
   <li><a href="/en/Using_nsCOMPtr/Status,_Recent_Changes,_and_Plans#Recent_changes_to_nsCOMPtr" title="en/Using_nsCOMPtr/Status,_Recent_Changes,_and_Plans#Recent_changes_to_nsCOMPtr"><span style="font-family: monospace;">对</span><code>nsCOMPtr的最新修改</code></a></li>
  </ol>
 </li>
 <li><a href="/en/Using_nsCOMPtr/Getting_Started_Guide" title="en/Using_nsCOMPtr/Getting_Started_Guide">入门指南</a>
  <ol>
   <li><a href="/en/Using_nsCOMPtr/Getting_Started_Guide#Introduction" title="en/Using_nsCOMPtr/Getting_Started_Guide#Introduction">介绍</a></li>
   <li><a href="/en/Using_nsCOMPtr/Getting_Started_Guide#Using_nsCOMPtr" title="en/Using_nsCOMPtr/Getting_Started_Guide#Using_nsCOMPtr">使用 <code>nsCOMPtr</code></a></li>
   <li><a href="/en/Using_nsCOMPtr/Getting_Started_Guide#Summary" title="en/Using_nsCOMPtr/Getting_Started_Guide#Summary">小结</a></li>
  </ol>
 </li>
 <li><a href="/en/Using_nsCOMPtr/Reference_Manual" title="en/Using_nsCOMPtr/Reference_Manual">参考手册</a>
  <ol>
   <li><a href="/en/Using_nsCOMPtr/Reference_Manual#The_Basics" title="en/Using_nsCOMPtr/Reference_Manual#The_Basics">基本原理</a></li>
   <li><a href="/en/Using_nsCOMPtr/Reference_Manual#Initialization_and_Assignment" title="en/Using_nsCOMPtr/Reference_Manual#Initialization_and_Assignment">初始化和赋值</a></li>
   <li><a href="/en/Using_nsCOMPtr/Reference_Manual#Using_an_nsCOMPtr.3CT.3E_as_a_T.2A" title="en/Using_nsCOMPtr/Reference_Manual#Using_an_nsCOMPtr.3CT.3E_as_a_T.2A">Using an <code>nsCOMPtr&lt;T&gt;</code> as a <code>T*</code></a></li>
   <li><a href="/en/Using_nsCOMPtr/Reference_Manual#Efficiency_and_Correctness" title="en/Using_nsCOMPtr/Reference_Manual#Efficiency_and_Correctness">Efficiency and Correctness</a></li>
   <li><a href="/en/Using_nsCOMPtr/Reference_Manual#Compiler_Annoyances" title="en/Using_nsCOMPtr/Reference_Manual#Compiler_Annoyances">Compiler Annoyances</a></li>
  </ol>
 </li>
 <li><a href="/en/Using_nsCOMPtr/Frequently_Asked_Questions" title="en/Using_nsCOMPtr/Frequently_Asked_Questions">FAQ</a>
  <ol>
   <li><a href="/en/Using_nsCOMPtr/Frequently_Asked_Questions#Buildtime_Errors" title="en/Using_nsCOMPtr/Frequently_Asked_Questions#Buildtime_Errors">编译时错误</a></li>
   <li><a href="/en/Using_nsCOMPtr/Frequently_Asked_Questions#Runtime_Errors" title="en/Using_nsCOMPtr/Frequently_Asked_Questions#Runtime_Errors">运行时错误</a></li>
   <li><a href="/en/Using_nsCOMPtr/Frequently_Asked_Questions#How_do_I..." title="en/Using_nsCOMPtr/Frequently_Asked_Questions#How_do_I...">How do I...</a></li>
   <li><a href="/en/Using_nsCOMPtr/Frequently_Asked_Questions#General" title="en/Using_nsCOMPtr/Frequently_Asked_Questions#General">General</a></li>
   <li><a href="/en/Using_nsCOMPtr/Frequently_Asked_Questions#Bibliography" title="en/Using_nsCOMPtr/Frequently_Asked_Questions#Bibliography">Bibliography</a></li>
  </ol>
 </li>
</ol>

<div class="originaldocinfo">
<h2 id="Original_Document_Information" name="Original_Document_Information">Original Document Information</h2>

<ul>
 <li>Author(s): <a class="link-mailto" href="mailto:scc@mozilla.org">Scott Collins</a></li>
 <li>Last Updated Date: December 11, 2001</li>
 <li>Copyright Information: Copyright © 1999, 2000 by the Mozilla organization; use is subject to the <a class="external" href="http://www.mozilla.org/MPL/">MPL</a>. Portions of this content are © 1998–2007 by individual mozilla.org contributors; content available under a Creative Commons license | <a class="external" href="http://www.mozilla.org/foundation/licensing/website-content.html">Details</a>.</li>
</ul>
</div>

<p> </p>