请帮忙调试，谢谢

[grayblaze]

#include <afx.h>
#include <stdio.h>
int main()
{
int lo, hi;
CString str;
CStdioFile fFibo;
fFibo.Open("FIBO.DAT", CFile::modeWrite | CFile::modeCreate | CFile::typeText);
str.Format("%s\n", "Fibonacci sequencee, less than 100 :");
printf("%s", (LPCTSTR) str);
fFibo.WriteString(str);
lo = hi = 1;
str.Format("%d\n", lo);
printf("%s", (LPCTSTR) str);
fFibo.WriteString(str);
while (hi < 100)
{
str.Format("%d\n", hi);
printf("%s", (LPCTSTR) str);
fFibo.WriteString(str);
hi = lo + hi;
lo = hi - lo;
}

fFibo.Close();
return 0;
}

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错误信息：
--------------------Configuration: test14 - Win32 Debug--------------------
Linking...
nafxcwd.lib(thrdcore.obj) : error LNK2001: unresolved external symbol __endthreadex
nafxcwd.lib(thrdcore.obj) : error LNK2001: unresolved external symbol __beginthreadex
Debug/test14.exe : fatal error LNK1120: 2 unresolved externals
Error executing link.exe.

test14.exe - 3 error(s), 0 warning(s)

[oceanblueboy]

建立一个win32 control程序,project->setting select using mfc in shared dll

[djfu]

简单: project-->settings --> Use MFC AS A dynamic dll

头文件加上：
#include <afxwin.h>

[grayblaze]

谢谢两位，能说一下原因吗？？

[djfu]

原因很简单：

因为你的程序里面用到了 MFC 类： CString, CStdioFile，这是 MFC的类，故你必须包含 MFC 的 DLL 和头文件。