有人知道Visual Studio 2005里面的Call Graph如何用吗

有人知道Visual Studio 2005里面的Call Graph怎么用吗？
Why   I   input   a   function   name   in   its   search   window   and   it   says   "Search   found   no   results "?

sorry   I   cannot   input   Chinese   because   the   sougo   pinyin   suddenly   went   dead.

Thanks!

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http://dev.****.net/Develop/article/28/77410.shtm
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wooden stool