共享MFC dULL

>------ 已启动生成: 项目: OSGtest, 配置: Debug Win32 ------
1>正在编译...
1>AddScene.cpp
1>main.cpp
1>c:\program files\microsoft visual studio 8\vc\atlmfc\include\afx.h(24) : fatal error C1189: #error : Building MFC application with /MD[d] (CRT dll version) requires MFC shared dll version. Please #define _AFXDLL or do not use /MD[d]
1>PickHandler.cpp
1>SceneSound.cpp
1>SemSceneSerializer.cpp
1>c:\program files\microsoft visual studio 8\vc\atlmfc\include\afx.h(24) : fatal error C1189: #error : Building MFC application with /MD[d] (CRT dll version) requires MFC shared dll version. Please #define _AFXDLL or do not use /MD[d]
1>XMLSerializer.cpp
1>c:\program files\microsoft visual studio 8\vc\atlmfc\include\afx.h(24) : fatal error C1189: #error : Building MFC application with /MD[d] (CRT dll version) requires MFC shared dll version. Please #define _AFXDLL or do not use /MD[d]
1>正在生成代码...
1>项目 : warning PRJ0018 : 未找到下列环境变量:
1>$(OSGHOME)
1>生成日志保存在“file://d:\vs2005Project\test\OSGtest\OSGtest\Debug\BuildLog.htm”
1>OSGtest - 3 个错误，0 个警告
========== 生成: 0 已成功, 1 已失败, 0 最新, 0 已跳过 ==========

在VS2005下，遇到这个错误。
解决方法：对着你的项目点击右键，依次选择：属性、配置属性、常规，然后右边有个“项目默认值”，下面有个MFC的使用，选择“在共享 DLL 中使用 MFC”，就OK了～～～