mfc实现计算器

常规C/C++编程

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开发语言：C/C++
实例大小：60.82M
下载次数：49
浏览次数：623
发布时间：2019-11-10
实例类别：常规C/C++编程
发布人：hehuo
文件格式：.rar
所需积分：2

实例介绍

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【实例简介】mfc计算器适合初学者学习
【实例截图】 from clipboard

【核心代码】

/ CCalculatorDlg 对话框

CCalculatorDlg::CCalculatorDlg(CWnd* pParent /*=NULL*/)
: CDialogEx(CCalculatorDlg::IDD, pParent)
, mStr(_T(""))
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCalculatorDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
DDX_Text(pDX, IDC_EDIT1, mStr);
}

BEGIN_MESSAGE_MAP(CCalculatorDlg, CDialogEx)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()

ON_BN_CLICKED(IDC_BUTTON_BACK, &CCalculatorDlg::OnButtonBack)
ON_BN_CLICKED(IDC_BUTTON_CLEAR, &CCalculatorDlg::OnButtonClear)
ON_BN_CLICKED(IDC_BUTTON_ABOUT, &CCalculatorDlg::OnButtonAbout)
ON_BN_CLICKED(IDC_BUTTON1, &CCalculatorDlg::OnButton1)
ON_BN_CLICKED(IDC_BUTTON2, &CCalculatorDlg::OnButton2)
ON_BN_CLICKED(IDC_BUTTON3, &CCalculatorDlg::OnButton3)
ON_BN_CLICKED(IDC_BUTTON4, &CCalculatorDlg::OnButton4)
ON_BN_CLICKED(IDC_BUTTON5, &CCalculatorDlg::OnButton5)
ON_BN_CLICKED(IDC_BUTTON6, &CCalculatorDlg::OnButton6)
ON_BN_CLICKED(IDC_BUTTON7, &CCalculatorDlg::OnButton7)
ON_BN_CLICKED(IDC_BUTTON8, &CCalculatorDlg::OnButton8)
ON_BN_CLICKED(IDC_BUTTON9, &CCalculatorDlg::OnButton9)
ON_BN_CLICKED(IDC_BUTTON0, &CCalculatorDlg::OnButton0)
ON_BN_CLICKED(IDC_BUTTON_DIAN, &CCalculatorDlg::OnButtonDian)
ON_BN_CLICKED(IDC_BUTTON_CHU, &CCalculatorDlg::OnButtonChu)
ON_BN_CLICKED(IDC_BUTTON_CHENG, &CCalculatorDlg::OnButtonCheng)
ON_BN_CLICKED(IDC_BUTTON_JIAN, &CCalculatorDlg::OnButtonJian)
ON_BN_CLICKED(IDC_BUTTON_JIA, &CCalculatorDlg::OnButtonJia)
ON_BN_CLICKED(IDC_BUTTON_PINGFANG, &CCalculatorDlg::OnButtonPingfang)
ON_BN_CLICKED(IDC_BUTTON_KAIFANG, &CCalculatorDlg::OnButtonMOD)
ON_BN_CLICKED(IDC_BUTTON_DENG, &CCalculatorDlg::OnButtonDeng)
END_MESSAGE_MAP()

// CCalculatorDlg 消息处理程序

BOOL CCalculatorDlg::OnInitDialog()
{
CDialogEx::OnInitDialog();

ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);

CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
  BOOL bNameValid;
  CString strAboutMenu;
  bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
  ASSERT(bNameValid);
  if (!strAboutMenu.IsEmpty())
  {
   pSysMenu->AppendMenu(MF_SEPARATOR);
   pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
  }
}

标签： MFC 计算器计算

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