什么鬼，哪里错了，求大神解释！万分感谢！

Question

#define _AFXDLL#include<afxwin.h>class Cex05Window:public CFrameWnd{CStatic* cs;public: Cex05Window();};Cex05Window::Cex05Window(){ Create(NULL,"ex05",WS_OVERLAPPEDWINDOW,CRect(100,100,500,300));       cs=new CStatic(); cs->Create("欢迎使用vs2010！",WS_CHILD|WS_VISIBLE|SS_CENTER,CRect(50,50,300,100),this);}class Cex05App:public CWinApp{public: Cex05App(){};public: virtual BOOL InitInstance();};BOOL Cex05App::InitInstance(){ CWinApp::InitInstance();        m_pMainWnd=new Cex05Window(); m_pMainWnd->ShowWindow (m_nCmdShow);        MessageBox(0,"请点击确定按钮"，"欢迎使用vs2010！"，0);       return FALSE;}Cex05App MyApp;