ex_calculator01dlg.cpp

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// EX_Calculator01Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "EX_Calculator01.h"
#include "EX_Calculator01Dlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CEX_Calculator01Dlg dialog

CEX_Calculator01Dlg::CEX_Calculator01Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEX_Calculator01Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CEX_Calculator01Dlg)
	m_Edit3 = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CEX_Calculator01Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEX_Calculator01Dlg)
	DDX_Control(pDX, IDC_EDIT2, m_Edit2);
	DDX_Control(pDX, IDC_EDIT1, m_Edit1);
	DDX_Text(pDX, IDC_EDIT3, m_Edit3);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEX_Calculator01Dlg, CDialog)
	//{{AFX_MSG_MAP(CEX_Calculator01Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_ADD_BUTTON, OnAddButton)
	ON_BN_CLICKED(IDC_MINUS_BUTTON, OnMinusButton)
	ON_BN_CLICKED(IDC_TIMES_BUTTON, OnTimesButton)
	ON_BN_CLICKED(IDC_DIVIDE_BUTTON, OnDivideButton)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEX_Calculator01Dlg message handlers

BOOL CEX_Calculator01Dlg::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 CEX_Calculator01Dlg::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 CEX_Calculator01Dlg::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;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CEX_Calculator01Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CEX_Calculator01Dlg::OnAddButton() 
{
	// TODO: Add your control notification handler code here
	//定义两个字符串，用于存放[输入数据1]和[输入数据2]编辑框输入的内容
	char cEdit1[10],cEdit2[10];
	double dEdit1,dEdit2,dEdit3; //定义3个双精度变量，用于存放3个编辑框的数据
	//定义一个字符串，用于存放[数据结果]编辑框要显示的内容
	char cResult[10];
	//调用GetwindowText()函数获得[输入数据1]编辑框的输入内容，存放到字符串cEdit1中
	m_Edit1.GetWindowText(cEdit1,10);
    //调用GetwindowText()函数获得[输入数据2]编辑框的输入内容，存放到字符串cEdit2中
	m_Edit2.GetWindowText(cEdit2,10);
	dEdit1=atof((LPCTSTR)cEdit1); //将字符串1转化为数值
    dEdit2=atof((LPCTSTR)cEdit2); //将字符串1转化为数值
	dEdit3=dEdit1+dEdit2;         //计算输入的两个数之和
	_gcvt(dEdit3,10,cResult);     //把计算结果转化为字符串，存放到cResult中
	m_Edit3=(LPCTSTR)cResult;     //将结果字符串赋给对象m_Edit3
	UpdateData(FALSE);            //更新屏幕
	
}

void CEX_Calculator01Dlg::OnMinusButton() 
{
	// TODO: Add your control notification handler code here
	//定义两个字符串，用于存放[输入数据1]和[输入数据2]编辑框输入的内容
	char cEdit1[10],cEdit2[10];
	double dEdit1,dEdit2,dEdit3; //定义3个双精度变量，用于存放3个编辑框的数据
	//定义一个字符串，用于存放[数据结果]编辑框要显示的内容
	char cResult[10];
	//调用GetwindowText()函数获得[输入数据1]编辑框的输入内容，存放到字符串cEdit1中
	m_Edit1.GetWindowText(cEdit1,10);
    //调用GetwindowText()函数获得[输入数据2]编辑框的输入内容，存放到字符串cEdit2中
	m_Edit2.GetWindowText(cEdit2,10);
	dEdit1=atof((LPCTSTR)cEdit1); //将字符串1转化为数值
    dEdit2=atof((LPCTSTR)cEdit2); //将字符串1转化为数值
	dEdit3=dEdit1-dEdit2;         //计算输入的两个数之差
	_gcvt(dEdit3,10,cResult);     //把计算结果转化为字符串，存放到cResult中
	m_Edit3=(LPCTSTR)cResult;     //将结果字符串赋给对象m_Edit3
	UpdateData(FALSE);            //更新屏幕
	
}

void CEX_Calculator01Dlg::OnTimesButton() 
{
	// TODO: Add your control notification handler code here
    //定义两个字符串，用于存放[输入数据1]和[输入数据2]编辑框输入的内容
	char cEdit1[10],cEdit2[10];
	double dEdit1,dEdit2,dEdit3; //定义3个双精度变量，用于存放3个编辑框的数据
	//定义一个字符串，用于存放[数据结果]编辑框要显示的内容
	char cResult[10];
	//调用GetwindowText()函数获得[输入数据1]编辑框的输入内容，存放到字符串cEdit1中
	m_Edit1.GetWindowText(cEdit1,10);
    //调用GetwindowText()函数获得[输入数据2]编辑框的输入内容，存放到字符串cEdit2中
	m_Edit2.GetWindowText(cEdit2,10);
	dEdit1=atof((LPCTSTR)cEdit1); //将字符串1转化为数值
    dEdit2=atof((LPCTSTR)cEdit2); //将字符串1转化为数值
	dEdit3=dEdit1*dEdit2;         //计算输入的两个数之积
	_gcvt(dEdit3,10,cResult);     //把计算结果转化为字符串，存放到cResult中
	m_Edit3=(LPCTSTR)cResult;     //将结果字符串赋给对象m_Edit3
	UpdateData(FALSE);            //更新屏幕
	
}

void CEX_Calculator01Dlg::OnDivideButton() 
{
	// TODO: Add your control notification handler code here
	//定义两个字符串，用于存放[输入数据1]和[输入数据2]编辑框输入的内容
	char cEdit1[10],cEdit2[10];
	double dEdit1,dEdit2,dEdit3; //定义3个双精度变量，用于存放3个编辑框的数据
	//定义一个字符串，用于存放[数据结果]编辑框要显示的内容
	char cResult[10];
	//调用GetwindowText()函数获得[输入数据1]编辑框的输入内容，存放到字符串cEdit1中
	m_Edit1.GetWindowText(cEdit1,10);
    //调用GetwindowText()函数获得[输入数据2]编辑框的输入内容，存放到字符串cEdit2中
	m_Edit2.GetWindowText(cEdit2,10);
	dEdit1=atof((LPCTSTR)cEdit1); //将字符串1转化为数值
    dEdit2=atof((LPCTSTR)cEdit2); //将字符串1转化为数值
	dEdit3=dEdit1/dEdit2;         //计算输入的两个数之商
	_gcvt(dEdit3,10,cResult);     //把计算结果转化为字符串，存放到cResult中
	m_Edit3=(LPCTSTR)cResult;     //将结果字符串赋给对象m_Edit3
	UpdateData(FALSE);            //更新屏幕
	
}