blocks|key|1170459|text|这些链接位于MSVC%2B%2B中选定的库中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1170460|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

These link in the libraries selected in MSVC++.

blocks|key|1170493|text|#pragma+comment是一个编译器指令，它指示Visual+C%2B%2B在生成的目标文件中留下注释。然后，当链接器处理对象文件时，它可以读取注释。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1170494|#pragma+comment(lib,+libname)告诉链接器将'libname‘库添加到库依赖项列表中，就像您已将其添加到Linker->Input->Additional+dependencies的项目属性中一样|1170495|请参阅MSDN上的#pragma+comment|1170496|entityMap|0|LINK|mutability|MUTABLE|url|http://msdn.microsoft.com/en-us/library/7f0aews7(v=vs.120).aspx^0|0|F|0|0|T|1T|12|0|9|F|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@$9|S|A|T|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|Z|8|@]|D|@$9|10|A|11|1|12]]|E|$]]|$1|J|3|-4|5|6|7|13|8|@]|D|@]|E|$]]]|K|$L|$5|M|N|O|E|$P|Q]]]]

<code>#pragma comment</code> is a compiler directive which indicates Visual C++ to leave a comment in the generated object file. The comment can then be read by the linker when it processes object files.

<code>#pragma comment(lib, libname)</code> tells the linker to add the 'libname' library to the list of library dependencies, as if you had added it in the project properties at <code>Linker-&gt;Input-&gt;Additional dependencies</code>

See <a href="http://msdn.microsoft.com/en-us/library/7f0aews7(v=vs.120).aspx" rel="noreferrer">#pragma comment</a> on MSDN

blocks|key|1170560|text|Pragma指令指定特定于操作系统或机器(x86或x64等)的编译器选项。有几个选项可用。详情请访问https://msdn.microsoft.com/en-us/library/d9x1s805.aspx。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1170561|#pragma+comment(+comment-type+[,"commentstring"]+)的格式如下。|style|CODE|1170562|有关不同注释类型的详细信息，请参阅https://msdn.microsoft.com/en-us/library/7f0aews7.aspx。|1170563|#pragma+comment(lib,+"kernel32")++#pragma+comment(lib,+"user32")|1170564|以上代码行包括链接器需要搜索的库名(或路径)。这些详细信息作为库搜索记录的一部分包含在对象文件中。|1170565|因此，在本例中，链接器搜索kernel.lib和user32.lib并将它们包含在最终的可执行文件中。|1170566|entityMap|0|LINK|mutability|MUTABLE|url|https://msdn.microsoft.com/en-us/library/d9x1s805.aspx|1|https://msdn.microsoft.com/en-us/library/7f0aews7.aspx^0|1E|1I|0|0|0|1E|0|H|1I|1|0|0|1S|0|0|D|A|O|A|0^^$0|@$1|2|3|4|5|6|7|Z|8|@]|9|@$A|10|B|11|1|12]]|C|$]]|$1|D|3|E|5|6|7|13|8|@$A|14|B|15|F|G]]|9|@]|C|$]]|$1|H|3|I|5|6|7|16|8|@]|9|@$A|17|B|18|1|19]]|C|$]]|$1|J|3|K|5|6|7|1A|8|@$A|1B|B|1C|F|G]]|9|@]|C|$]]|$1|L|3|M|5|6|7|1D|8|@]|9|@]|C|$]]|$1|N|3|O|5|6|7|1E|8|@$A|1F|B|1G|F|G]|$A|1H|B|1I|F|G]]|9|@]|C|$]]|$1|P|3|-4|5|6|7|1J|8|@]|9|@]|C|$]]]|Q|$R|$5|S|T|U|C|$V|W]]|X|$5|S|T|U|C|$V|Y]]]]

Pragma directives specify operating system or machine specific (x86 or x64 etc) compiler options. There are several options available. Details can be found in <a href="https://msdn.microsoft.com/en-us/library/d9x1s805.aspx" rel="nofollow noreferrer">https://msdn.microsoft.com/en-us/library/d9x1s805.aspx</a>

<code>#pragma comment( comment-type [,"commentstring"] )</code> has this format. 

Refer <a href="https://msdn.microsoft.com/en-us/library/7f0aews7.aspx" rel="nofollow noreferrer">https://msdn.microsoft.com/en-us/library/7f0aews7.aspx</a> for details about different comment-type.

<code>#pragma comment(lib, "kernel32")
 #pragma comment(lib, "user32")</code> 

The above lines of code includes the library names (or path) that need to be searched by the linker. These details are included as part of the library-search record in the object 
file.

So, in this case <code>kernel.lib</code> and <code>user32.lib</code> are searched by the linker and included in the final executable.

blocks|key|1170624|text|MSDN提供的答案和文档是最好的，但我想添加一个典型的案例，我经常使用它，例如，需要使用#pragma+comment在链接时向链接器发送命令。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1170625|#pragma+comment(linker,"/ENTRY:Entry")|code-block|syntax|javascript|1170626|告诉链接器将入口点从WinMain()更改为Entry()，然后CRTStartup将控制权转移到Entry()|1170627|entityMap^0|18|F|0|0|A|9|M|7|W|A|1D|7|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|R|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]|$9|X|A|Y|B|C]|$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|M|3|-4|5|6|7|11|8|@]|D|@]|E|$]]]|N|$]]

The answers and the documentation provided by MSDN is the best, but I would like to add one typical case that I use a lot which requires the use of <code>#pragma comment</code> to send a command to the linker at link time for example 

<pre><code>#pragma comment(linker,"/ENTRY:Entry")
</code></pre>

tell the linker to change the entry point form <code>WinMain()</code> to <code>Entry()</code> after that the <code>CRTStartup</code> going to transfer controll to <code>Entry()</code>

What does <code>#pragma comment</code> mean in the following?

<pre><code>#pragma comment(lib, "kernel32")
#pragma comment(lib, "user32")
</code></pre>

What does "#pragma comment" mean?

编译器

#pragma comment在以下内容中是什么意思？#pragma comment(lib, "kernel32")#pragma comment(lib, "user32")

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