トレイプログラムのデモ-目覚まし時計Alert

BOOL Shell_NotifyIcon(
	DWORD dwMessage,
	PNOTIFYICONDATA lpdata
	);

typedef struct _NOTIFYICONDATA {
    DWORD cbSize;
    HWND hWnd;
    UINT uID;
    UINT uFlags;
    UINT uCallbackMessage;
    HICON hIcon;
    TCHAR szTip[64];
    DWORD dwState;
    DWORD dwStateMask;
    TCHAR szInfo[256];
    union {
        UINT uTimeout;
        UINT uVersion;
    };
    TCHAR szInfoTitle[64];
    DWORD dwInfoFlags;
    GUID guidItem;
} NOTIFYICONDATA, *PNOTIFYICONDATA;

#include < mmsystem.h >          //              ，  

#define WM_NOTIFYICON	WM_USER+5  //      ID
#define IDI_ICON		0x0005     //  ID
#define IDT_APPLY		WM_USER+6  //        Timer      ID

class CAlertDlg : public CDialog
{
public:
	~CAlertDlg();
	CAlertDlg(CWnd* pParent = NULL);


	enum { IDD = IDD_ALERT_DIALOG };
	int	m_Interval;		//    ，      


protected:
	virtual void DoDataExchange(CDataExchange* pDX);


protected:
	void ShowMessage(void);  //              
	HICON m_hIcon;  //    


	virtual BOOL OnInitDialog();
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();


	afx_msg void OnClickApply();  //"  "           
	virtual void OnCancel();  //"  "           
	afx_msg void OnTimer(UINT nIDEvent);  //         
	afx_msg void OnClickHide();  //"  "           

	//   WM_NOTIFYICON       
	afx_msg void OnNotifyIcon(WPARAM wParam, LPARAM lParam);  
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);  //        
	afx_msg BOOL OnQueryEndSession();  //Windows        


	DECLARE_MESSAGE_MAP()
};

BOOL CAlertDlg::OnInitDialog()
{
	SetIcon(m_hIcon, TRUE);
	SetIcon(m_hIcon, FALSE);
	
	//        
	CSpinButtonCtrl * pSpin;
	pSpin = (CSpinButtonCtrl *) GetDlgItem(IDC_SPIN);
	pSpin->SetRange(5,150);
	m_Interval = 30;
	CDialog::OnInitDialog();
	
	//      ，      
	SetTimer(1, 1000, NULL);

	//          
	NOTIFYICONDATA nd;
	nd.cbSize	= sizeof (NOTIFYICONDATA);
	nd.hWnd	= m_hWnd;
	nd.uID	= IDI_ICON;
	nd.uFlags	= NIF_ICON|NIF_MESSAGE|NIF_TIP;
	nd.uCallbackMessage= WM_NOTIFYICON;
	nd.hIcon	= m_hIcon;

	strcpy(nd.szTip, "    ");
	
	Shell_NotifyIcon(NIM_ADD, &nd);
	
	return TRUE;
}

void CAlertDlg::OnClickApply() 
{
	//       
	UpdateData();
	OnTimer(IDT_APPLY);
}

void CAlertDlg::OnCancel() 
{
	//      
	KillTimer(1);

	//            
	NOTIFYICONDATA nd;
	nd.cbSize	= sizeof (NOTIFYICONDATA);
	nd.hWnd	= m_hWnd;
	Shell_NotifyIcon(NIM_DELETE, &nd);
	
	CDialog::OnCancel();
}

void CAlertDlg::OnTimer(UINT nIDEvent) 
{
	static CString	strTemp;
	static int		Count = 0;
	COleDateTime	dtTime;

	//        
	//                 ，      ？
	dtTime = COleDateTime::GetCurrentTime();  
	strTemp.Format("     %02i:%02i:%02i ",
			dtTime.GetHour(),
			dtTime.GetMinute(),
			dtTime.GetSecond());
	GetDlgItem(IDC_CURTIME)->SetWindowText(strTemp);

	//        
	if (nIDEvent == IDT_APPLY) Count = 0;  //            ，       
	Count++;
	int RestTime;
	RestTime = m_Interval - Count/60;
	if (RestTime <= 0) 
	{
		Count = 0;
		ShowMessage();
	}
	
	strTemp.Format("        %i   ", RestTime);
	GetDlgItem(IDC_RESTTIME)->SetWindowText(strTemp);	
	CDialog::OnTimer(nIDEvent);
}

//  ShowMessasge()  ，          ，        
void CAlertDlg::ShowMessage()
{
	//  C:\InfoCD\WinaMP\  WinaMP3  Music.m3u  
	::WinExec("C:\\INFOCD\\WINAMP\\WINAMP.EXE music.m3u",SW_HIDE);
	
	MessageBox("        ......", 
			"  ", 
			MB_SYSTEMMODAL|MB_OK|MB_ICONEXCLAMATION|MB_ICONWARNING);

	//  C:\Windows\System      
	ShellExecute(m_hWnd,"open","C:\\WINDOWS\\SYSTEM\\  .scr", NULL,NULL,SW_SHOWNORMAL);
}

afx_msg void CAlertDlg::OnNotifyIcon(WPARAM wParam, LPARAM lParam)
{
	//            
	//wParam         ID，lParam   Windows   
	if ((wParam == IDI_ICON)&&(lParam == WM_LBUTTONDOWN))
		ShowWindow(SW_SHOWNORMAL);
}

void CAlertDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	//      (MFC Bug？)，            
	if (nID == SC_MAXIMIZE)
		return;
	if (nID == SC_MINIMIZE)
		ShowWindow(SW_HIDE);
	else
		CWnd::OnSysCommand(nID, lParam);
}

BOOL CAlertDlg::OnQueryEndSession()
{
	//      Windows         
	CAlertDlg::OnCancel();
	return TRUE;
}

void CAlertDlg::OnClickHide() 
{
	OnSysCommand(SC_MINIMIZE, 0x0000);
	return;
}