--------------------Configuration: my123 - Win32 Debug--------------------
Compiling...
my123.cpp
Linking...
ChessMan.obj : error LNK2001: unresolved external symbol "public: void __thiscall CLlkDlg::CallExchange(void)" (?CallExchange@CLlkDlg@@QAEXXZ)
ChessMan.obj : error LNK2001: unresolved external symbol "public: void __thiscall CLlkDlg::isHighLevel(void)" (?isHighLevel@CLlkDlg@@QAEXXZ)
ChessMan.obj : error LNK2001: unresolved external symbol "public: void __thiscall CLlkDlg::Start(int)" (?Start@CLlkDlg@@QAEXH@Z)
ChessMan.obj : error LNK2001: unresolved external symbol "public: void __thiscall CLlkDlg::RefreshMap(void)" (?RefreshMap@CLlkDlg@@QAEXXZ)
nafxcwd.lib(thrdcore.obj) : error LNK2001: unresolved external symbol __endthreadex
nafxcwd.lib(thrdcore.obj) : error LNK2001: unresolved external symbol __beginthreadex
Debug/my123.exe : fatal error LNK1120: 6 unresolved externals
执行 link.exe 时出错.

my123.exe - 1 error(s), 0 warning(s)
这是什么错误呢?请高手帮忙解答.谢谢..

声明，未定义，调用了。

谢谢哦,我这是下载的一个连连看的游戏程序代码,但不完整,请问谁有完整的C++连连看的程序代码...

你就到你下的地方查查或者问问，把相关的库搞来就行了。