VC打造自己特色的屏幕保护(二)

//{{AFX_MSG(CMyScreenWnd)

afx_msg void OnPaint();

afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);

afx_msg void OnLButtonDown(UINT nFlags, CPoint point);

afx_msg void OnMButtonDown(UINT nFlags, CPoint point);

afx_msg void OnMouseMove(UINT nFlags, CPoint point);

afx_msg void OnRButtonDown(UINT nFlags, CPoint point);

afx_msg void OnSysKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);

afx_msg void OnDestroy();

afx_msg void OnTimer(UINT nIDEvent);

afx_msg void OnActivate(UINT nState, CWnd* pWndOther, BOOL bMinimized);

afx_msg void OnActivateApp(BOOL bActive, HTASK hTask);

//}}AFX_MSG

DECLARE_MESSAGE_MAP()

//{{AFX_MSG_MAP

ON_WM_SYSCOMMAND()

ON_WM_PAINT()

ON_WM_KEYDOWN()

ON_WM_LBUTTONDOWN()

ON_WM_RBUTTONDOWN()

ON_WM_MOUSEMOVE()

ON_WM_DESTROY()

ON_WM_TIMER()

//}}AFX_MSG_MAP

END_MESSAGE_MAP()

//OnPaint()函数将全屏窗口置成黑色

void CMyScreenWnd::OnPaint()

{

CPaintDC dc(this);

CBrush brush(RGB(0,0,0));

CRect rect;

GetClientRect(rect);

dc.FillRect(&rect,&brush);

}

void CMyScreenWnd::OnTimer(UINT nIDEvent)

{

CClientDC dc(this);

int n=2; //你有几张图片就把n换成几，因为我

//做的屏保中只有两张图片因而n=2

static int m_nIndex=0;

m_nIndex%=n-1;

DrawBitmap(dc,m_nIndex++);

CWnd::OnTimer(nIDEvent);

}

void CMyScreenWnd::OnKeyDown(UINT nChar,UINT nRepCnt,UINT nFlags)

{

PostMessage(WM_CLOSE);

}

void CMyScreenWnd::OnLButtonDown(UINT nFlags,CPoint point)

{

PostMessage(WM_CLOSE);

}

void CMyScreenWnd::OnRButtonDown(UINT nFlags,CPoint point)

{

PostMessage(WM_CLOSE);

}

void CMyScreenWnd::OnSysKeyDown(UINT nChar,UINT nRepCnt,UINT nFlags)

{

PostMessage(WM_CLOSE);

}

void CMyScreenWnd::OnMouseMove(UINT nFlags,CPoint point)

{

if (m_Point==CPoint(-1,-1))

m_Point=point;

else if (m_Point!=point)

PostMessage(WM_CLOSE);

}

void CMyScreenWnd::OnDestroy()

{

KillTimer(ID_TIMER);

}

void CMyScreenWnd::PostNcDestroy()

{

delete this;

}

//为了防止同时运行两个相同的程序,下面两个函数是必需的

//如果你不理解这段代码，不要管他们，只要把他们拷贝到你

//的工程中就行了

void CMyScreenWnd::OnActivate(UINT nState,CWnd* pWndOther,BOOL bMinimized)

{

CWnd::OnActivate(nState,pWndOther,bMinimized);

if (nState==WA_INACTIVE)

PostMessage(WM_CLOSE);

}

void CMyScreenWnd::OnActivateApp(BOOL bActive,HTASK hTask)

{

CWnd::OnActivateApp(bActive,hTask);

if (!bActive) //is being deactivated

PostMessage(WM_CLOSE);

}

BOOL CMyScreenSaverApp::InitInstance()

{

AfxEnableControlContainer();

// Standard initialization

// If you are not using these features and wish to reduce the size

// of your final executable, you should remove from the following

// the specific initialization routines you do not need.

#ifdef _AFXDLL

Enable3dControls(); // Call this when using MFC in a shared DLL

#else

Enable3dControlsStatic(); // Call this when linking to MFC statically

#endif

CMyScreenWnd* pWnd=new CMyScreenWnd;

pWnd->Create();

m_pMainWnd=pWnd;

return TRUE;

}