#define EX 1            //该点左鼠标

 #define OH 2            //该点右鼠标

 class CMyApp : public CWinApp

 {

 public:

     virtual BOOL InitInstance ();

 };

 class CMainWindow : public CFrameWnd     //不是继承CFrameWnd 因此需要在CMainWindow()自己定义窗口类了

 {

 protected:

     CPoint pos,killpos;

     int vx,vy,ax,ay;

     int killvx,killvy,killax,killay;

     int num,Length;

 public:

     CMainWindow ();

 protected:

     virtual void PostNcDestroy ();//在程序终止之前销毁CMainWindow对象

     afx_msg int OnCreate (LPCREATESTRUCT lpcs);

     afx_msg void OnTimer (UINT nTimerID);

     DECLARE_MESSAGE_MAP ()

 };

 #include <afxwin.h>

 #include "TicTac.h"

 #define ID_TIMER_ELLIPSE 1

 #define ID_TIMER_RECTANGLE 2

 CMyApp myApp;

 /////////////////////////////////////////////////////////////////////////

 // CMyApp member functions

 BOOL CMyApp::InitInstance ()

 {

     m_pMainWnd = new CMainWindow;

     m_pMainWnd->ShowWindow (m_nCmdShow);

     m_pMainWnd->UpdateWindow ();

     return TRUE;

 }

 /////////////////////////////////////////////////////////////////////////

 // CMainWindow message map and member functions

 BEGIN_MESSAGE_MAP (CMainWindow, CFrameWnd)

     ON_WM_CREATE ()

     ON_WM_TIMER ()

 END_MESSAGE_MAP ()

 CMainWindow::CMainWindow ()

 {

     //初始化游戏

     //InitGame();

     pos=CPoint(,);

     vx=killvx=;

     vy=killvy= ;

     ax=ay=killax=killay=;

     Length=;

     num=;

     //注册一个 WNDCLASS 窗口类.

     CString strWndClass = AfxRegisterWndClass (

         CS_DBLCLKS,                                        // Class style（有双击时间发生的窗口类型）

         AfxGetApp ()->LoadStandardCursor (IDC_ARROW),   // Class cursor（加载一个系统光标，也可自己定义）

         (HBRUSH) (COLOR_3DFACE + ),                    // Background brush（每次：：BeginPaint时用它清空客户区）；COLOR_3DFACE+1是指定窗口具有与按钮对话框一致的背景色和其他一些3D属性；默认为灰亮色

         AfxGetApp ()->LoadStandardIcon (IDI_WINLOGO)    // Class icon（加载系统图标，也可自己定义）

     );

     //调用CWnd::CreateEx()创建主窗口

     //第一个参数表示0个或是多个WS_EX标志组合；2：AfxRegisterWndClass（）返回的WNDCLASS名称；

     //3、标题；4、窗口样式

     CreateEx (, strWndClass, _T ("Timer"),

         WS_OVERLAPPED | WS_SYSMENU | WS_CAPTION | WS_MINIMIZEBOX,   //WS_THICKFRAME窗口可调大小属性（这里不用）

         CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, //初始位置和大小，这里用CW_USEDEFAULT让Windows拾取窗口和大小

         NULL, NULL);

     //处理窗口位置和尺寸

     CRect rect (, , , );       //理想客户区窗口矩形形状

     CalcWindowRect (&rect);            //根据分辨率、菜单...计算窗口矩形大小（必须在窗口创建后调用）

     SetWindowPos (NULL, , , rect.Width (), rect.Height (),

         SWP_NOZORDER | SWP_NOMOVE | SWP_NOREDRAW);

 }

 //在程序结束之前销毁创建的CMainWindow对象

 void CMainWindow::PostNcDestroy ()

 {

     delete this;

 }

 int CMainWindow::OnCreate (LPCREATESTRUCT lpcs)//回掉函数

 {

     if (CFrameWnd::OnCreate (lpcs) == -)

         return -;

     if (!SetTimer (ID_TIMER_ELLIPSE, , NULL)) {

         MessageBox (_T ("Error: SetTimer failed"));

         return -;

     }

     return ;

 }

 void CMainWindow::OnTimer (UINT nTimerID)

 {

     CRect rect;

     GetClientRect (&rect);

     pos.x+=vx;

     if(pos.x>rect.right-){

         pos.x=rect.right-;

         vx=-vx;

     }

     if(pos.x<){

         pos.x=;

         vx=-vx;

     }

     pos.y+=vy;

     if(pos.y>rect.bottom-){

         pos.y=rect.bottom-;

         vy=-vy;

     }

     if(pos.y<){

         pos.y=;

         vy=-vy;

     }

     if(num++==)killpos=pos;

     if(num>=Length){

     killpos.x+=killvx;

     if(killpos.x>rect.right-){

         killpos.x=rect.right-;

         killvx=-killvx;

     }

     if(killpos.x<){

         killpos.x=;

         killvx=-killvx;

     }

     killpos.y+=killvy;

     if(killpos.y>rect.bottom-){

         killpos.y=rect.bottom-;

         killvy=-killvy;

     }

     if(killpos.y<){

         killpos.y=;

         killvy=-killvy;

     }}

     CClientDC dc (this);

     CPen pen(PS_NULL,,RGB(,,));

     dc.SelectObject(&pen);

     if(num==)dc.Rectangle(rect);

     dc.Ellipse(killpos.x,killpos.y,killpos.x+,killpos.y+);

     ::DeleteObject(&pen);

     CBrush brush(RGB(,,));

     dc.SelectObject (&brush);

     dc.Ellipse(pos.x,pos.y,pos.x+,pos.y+);

     ::DeleteObject(&brush);

     CBrush brush1(RGB(,,));

     dc.SelectObject (&brush1);

     dc.Ellipse(pos.x+,pos.y+,pos.x+,pos.y+);

     ::DeleteObject(&brush1);

 }