这个是什么错误,请指教
--------------------Configuration: 艺术字体 - Win32 Debug--------------------
Linking...
nafxcwd.lib(thrdcore.obj) : error LNK2001: unresolved external symbol __endthreadex
nafxcwd.lib(thrdcore.obj) : error LNK2001: unresolved external symbol __beginthreadex
Debug/艺术字体.exe : fatal error LNK1120: 2 unresolved externals
执行 link.exe 时出错.
艺术字体.exe - 1 error(s), 0 warning(s)