1、 /存储一次运算的第二个操作数/ CString m_operator; /存储运算符/ double m_coff; /存储小数点的系数权值/ CAboutDlg dialog used for App Aboutclass CAboutDlg : public CDialogpublic: CAboutDlg();/ Dialog Data/AFX_DATA(CAboutDlg) enum IDD = IDD_ABOUTBOX ; /AFX_DATA/ ClassWizard generated virtual function overrides/AFX_VIRTUAL(CAboutDl
2、g) protected: virtual void DoDataExchange(CDataExchange* pDX);/ DDX/DDV support/AFX_VIRTUAL/ Implementationprotected:/AFX_MSG(CAboutDlg)/AFX_MSG DECLARE_MESSAGE_MAP();CAboutDlg:CAboutDlg() : CDialog(CAboutDlg:IDD)/AFX_DATA_INIT(CAboutDlg)/AFX_DATA_INITvoid CAboutDlg:DoDataExchange(CDataExchange* pDX
3、) CDialog:DoDataExchange(pDX);/AFX_DATA_MAP(CAboutDlg)/AFX_DATA_MAPBEGIN_MESSAGE_MAP(CAboutDlg, CDialog)/AFX_MSG_MAP(CAboutDlg)/ No message handlers/AFX_MSG_MAPEND_MESSAGE_MAP()/ CCKcalculateDlg dialogCCKcalculateDlg:CCKcalculateDlg(CWnd* pParent /*=NULL*/) : CDialog(CCKcalculateDlg:IDD, pParent)/ v
4、oid UpdateDisplay(double);/ void Calculate(void);/AFX_DATA_INIT(CCKcalculateDlg)/ isXdeY=false; m_display = _T(); m_PI=3.14159265358979323846; m_first=0.0; m_second=0.0; m_operator=_T(+ m_coff=0; m_display=_T(0.0/ Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGet
5、App()-LoadIcon(IDR_MAINFRAME);void CCKcalculateDlg: /AFX_DATA_MAP(CCKcalculateDlg) DDX_Text(pDX, IDC_DISPLAY, m_display); /AFX_DATA_MAPBEGIN_MESSAGE_MAP(CCKcalculateDlg, CDialog)/AFX_MSG_MAP(CCKcalculateDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON0, OnButton0)
6、 ON_BN_CLICKED(IDC_BUTTON1, OnButton1) ON_BN_CLICKED(IDC_BUTTON2, OnButton2) ON_BN_CLICKED(IDC_BUTTON3, OnButton3) ON_BN_CLICKED(IDC_BUTTON4, OnButton4) ON_BN_CLICKED(IDC_BUTTON5, OnButton5) ON_BN_CLICKED(IDC_BUTTON6, OnButton6) ON_BN_CLICKED(IDC_BUTTON7, OnButton7) ON_BN_CLICKED(IDC_BUTTON8, OnButt
7、on8) ON_BN_CLICKED(IDC_BUTTON9, OnButton9) ON_BN_CLICKED(IDC_BUTTON_ADD, OnButtonAdd) ON_BN_CLICKED(IDC_BUTTON_MINUS, OnButtonMinus) ON_BN_CLICKED(IDC_BUTTON_MUTIPLY, OnButtonMutiply) ON_BN_CLICKED(IDC_BUTTON_DIV, OnButtonDiv) ON_BN_CLICKED(IDC_BUTTON_SIGH, OnButtonSigh) ON_BN_CLICKED(IDC_BUTTON_POI
8、NT, OnButtonPoint) ON_BN_CLICKED(IDC_BUTTON_CLEAR, OnButtonClear) ON_BN_CLICKED(IDC_BUTTON_SQRT, OnButtonSqrt) ON_BN_CLICKED(IDC_BUTTON_RECI, OnButtonReci) ON_BN_CLICKED(IDC_BUTTON_EQUAL, OnButtonEqual) ON_BN_CLICKED(IDC_BUTTON_SIN, OnButtonSin) ON_BN_CLICKED(IDC_BUTTON_COS, OnButtonCos) ON_BN_CLICK
9、ED(IDC_BUTTON_LOG, OnButtonLog) ON_BN_CLICKED(IDC_BUTTON_XDEY, OnButtonXdeY)/ CCKcalculateDlg message handlersBOOL CCKcalculateDlg:OnInitDialog()OnInitDialog();/ Add About. menu item to system menu./ IDM_ABOUTBOX must be in the system command range. ASSERT(IDM_ABOUTBOX & 0xFFF0) = IDM_ABOUTBOX); ASS
10、ERT(IDM_ABOUTBOX AppendMenu(MF_SEPARATOR);AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); / Set the icon for this dialog. The framework does this automatically/ when the applications main window is not a SetIcon(m_hIcon, TRUE); / Set big icon SetIcon(m_hIcon, FALSE); / Set small icon/ TODO: Add e
11、xtra initialization here return TRUE;/ return TRUE unless you set the focus to a controlOnSysCommand(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 au
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