MFC实现最小化到托盘

先新建一个MFC工程TimeWakeDlg
源代码是
TimeWakeDlg.cpp
[cpp] 
// TimeWakeDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "TimeWake.h" 
#include "TimeWakeDlg.h" 
#include "Exit.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
#define WM_SHOWTASK WM_USER +1 
 
NOTIFYICONDATA nid; 
 
///////////////////////////////////////////////////////////////////////////// 
// CAboutDlg dialog used for App About 
 
class CAboutDlg : public CDialog 
{ 
public: 
    CAboutDlg(); 
 
// Dialog Data 
    //{{AFX_DATA(CAboutDlg) 
    enum { IDD = IDD_ABOUTBOX }; 
    //}}AFX_DATA 
 
    // ClassWizard generated virtual function overrides 
    //{{AFX_VIRTUAL(CAboutDlg) 
    protected: 
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support 
    //}}AFX_VIRTUAL 
 
// Implementation 
protected: 
    //{{AFX_MSG(CAboutDlg) 
    //}}AFX_MSG 
    DECLARE_MESSAGE_MAP() 
}; 
 
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 
{ 
    //{{AFX_DATA_INIT(CAboutDlg) 
    //}}AFX_DATA_INIT 
} 
 
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 
{ 
    CDialog::DoDataExchange(pDX); 
    //{{AFX_DATA_MAP(CAboutDlg) 
    //}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 
    //{{AFX_MSG_MAP(CAboutDlg) 
        // No message handlers 
    //}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTimeWakeDlg dialog 
 
CTimeWakeDlg::CTimeWakeDlg(CWnd* pParent /*=NULL*/) 
    : CDialog(CTimeWakeDlg::IDD, pParent) 
{ 
    //{{AFX_DATA_INIT(CTimeWakeDlg) 
        // NOTE: the ClassWizard will add member initialization here 
    //}}AFX_DATA_INIT 
    // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CTimeWakeDlg::DoDataExchange(CDataExchange* pDX) 
{ 
    CDialog::DoDataExchange(pDX); 
    //{{AFX_DATA_MAP(CTimeWakeDlg) 
        // NOTE: the ClassWizard will add DDX and DDV calls here 
    //}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CTimeWakeDlg, CDialog) 
    //{{AFX_MSG_MAP(CTimeWakeDlg) 
    ON_WM_SYSCOMMAND() 
    ON_WM_PAINT() 
    ON_WM_QUERYDRAGICON() 
    ON_MESSAGE(WM_SHOWTASK,OnShowTask) 
    //}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTimeWakeDlg message handlers 
 
BOOL CTimeWakeDlg::OnInitDialog() 
{ 
    CDialog::OnInitDialog(); 
 
    // Add "About..." menu item to system menu. 
 
    // IDM_ABOUTBOX must be in the system command range. 
    ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); 
    ASSERT(IDM_ABOUTBOX < 0xF000); 
 
    CMenu* pSysMenu = GetSystemMenu(FALSE); 
    if (pSysMenu != NULL) 
    { 
        CString strAboutMenu; 
        strAboutMenu.LoadString(IDS_ABOUTBOX); 
        if (!strAboutMenu.IsEmpty()) 
        { 
            pSysMenu->AppendMenu(MF_SEPARATOR); 
            pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); 
        } 
    } 
 
    // Set the icon for this dialog.  The framework does this automatically 
    //  when the application's main window is not a dialog 
    SetIcon(m_hIcon, TRUE);         // Set big icon 
    SetIcon(m_hIcon, FALSE);        // Set small icon 
     
    // TODO: Add extra initialization here 
     
    return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CTimeWakeDlg::OnSysCommand(UINT nID, LPARAM lParam) 
{ 
    if ((nID & 0xFFF0) == IDM_ABOUTBOX) 
    { 
        CAboutDlg dlgAbout; 
        dlgAbout.DoModal(); 
    } 
    else 
    { 
        CDialog::OnSysCommand(nID, lParam); 
    } 
} 
 
// If you add a minimize button to your dialog, you will need the code below 
//  to draw the icon.  For MFC applications using the document/view model, 
//  this is automatically done for you by the framework. 
 
void CTimeWakeDlg::OnPaint()  
{ 
    if (IsIconic()) 
    { 
        CPaintDC dc(this); // device context for painting 
 
        SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 
 
        // Center icon in client rectangle 
        int cxIcon = GetSystemMetrics(SM_CXICON); 
        int cyIcon = GetSystemMetrics(SM_CYICON); 
        CRect rect; 
        GetClientRect(&rect); 
        int x = (rect.Width() - cxIcon + 1) / 2; 
       

补充：软件开发 , C++ ,

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