example2dlg.cpp

matlab和vc++联合编程的例子

// Example2Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "Example2.h"
#include "Example2Dlg.h"
#include "matlib.h"
#include "huatu.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()

/////////////////////////////////////////////////////////////////////////////
// CExample2Dlg dialog

CExample2Dlg::CExample2Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CExample2Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CExample2Dlg)
	m_edit1 = 0.0f;
	m_edit2 = 0.0f;
	m_edit3 = _T("");
	m_edit4 = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CExample2Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CExample2Dlg)
	DDX_Text(pDX, IDC_EDIT1, m_edit1);
	DDX_Text(pDX, IDC_EDIT2, m_edit2);
	DDX_Text(pDX, IDC_EDIT3, m_edit3);
	DDX_Text(pDX, IDC_EDIT4, m_edit4);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CExample2Dlg, CDialog)
	//{{AFX_MSG_MAP(CExample2Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CExample2Dlg message handlers

BOOL CExample2Dlg::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 CExample2Dlg::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 CExample2Dlg::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 CExample2Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CExample2Dlg::OnButton1() 
{double a1,a2;
Mm P1,P2;//定义矩阵变量 Mm用来定义矩阵变量
UpdateData(TRUE);//刷新输入数据
initM(MATCOM_VERSION);//初始化matcom库函数
a1=m_edit1; //将edit控件中的数据传给函数输入变量
a2=m_edit2;
CWnd *p1=NULL;  
p1=(CWnd *)GetDlgItem(IDC_PIC);  //得到用于显示图像Static text控件的ID
Mm plothandle=winaxes(p1->m_hWnd);  //将Static text的句柄设置赋给画图句柄
huatu(a1,a2,i_o,P1,P2);//调用函数huatu()
//VC调用matcom编译后的函数格式为 ：函数名(输入参数1,输入参数1...,i_o,输出参数1,输出参数2,...)
//其中i_o相当于分号   
m_edit3.Format("%f",P1.r(1,1));//将随机产生的值在edit控件中显示
m_edit4.Format("%f",P2.r(1,1));//矩阵变量P2取值方式与matlab中的方式相同，P2.r(2,4)表示P2第二行第四列的数
UpdateData(FALSE);//刷新显示
exitM();//结束库函数的调用
}