callfortrandlldlg.cpp

一个简单的VC++调用FORTRAN的实例,可以作为初学者的入门实例

// CallFortranDllDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CallFortranDll.h"
#include "CallFortranDllDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CCallFortranDllDlg dialog

CCallFortranDllDlg::CCallFortranDllDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCallFortranDllDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCallFortranDllDlg)
	m_fRadius = 0.0f;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCallFortranDllDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCallFortranDllDlg)
	DDX_Text(pDX, IDC_RADIUS, m_fRadius);
	DDV_MinMaxFloat(pDX, m_fRadius, 0.f, 1.e+011f);
	//}}AFX_DATA_MAP
}

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

/////////////////////////////////////////////////////////////////////////////
// CCallFortranDllDlg message handlers

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

void CCallFortranDllDlg::OnButton1() 
{
	// TODO: Add your control notification handler code here


//	ShellExecute(this->m_hWnd, NULL, "C:\\Program Files\\Microsoft Visual Studio\\VB98\\工程1.exe", NULL, NULL, SW_SHOWNORMAL);
	HINSTANCE hIns=NULL;
	hIns = LoadLibraryEx("EXAM.dll",NULL,DONT_RESOLVE_DLL_REFERENCES);

    if(hIns)
	{
	typedef  int (*MYPROC)(int &a, float b[3][3]); 
	MYPROC fun= (MYPROC)GetProcAddress(hIns,"_ARRAYTEST@8");

	float arr[3][3];
	int a = 10;
	fun(a,arr);
	CString str;
	str.Format("%.3f",arr[1][1]);
	MessageBox(str);
    }
	else
	{
      AfxMessageBox("没有找到Exam.dll");
	}
 
	/*
	HINSTANCE hIns;
	hIns = LoadLibraryEx("testDll.dll",NULL,DONT_RESOLVE_DLL_REFERENCES);

	typedef int (*MYPROC)(int ,int); 
	MYPROC Myfun= (MYPROC)GetProcAddress(hIns,"_TEST");

	
	LPVOID lpMsgBuf;
FormatMessage( 
    FORMAT_MESSAGE_ALLOCATE_BUFFER | 
    FORMAT_MESSAGE_FROM_SYSTEM | 
    FORMAT_MESSAGE_IGNORE_INSERTS,
    NULL,
    GetLastError(),
    MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
    (LPTSTR) &lpMsgBuf,
    0,
    NULL 
);

::MessageBox( NULL, (LPCTSTR)lpMsgBuf, "Error", MB_OK | MB_ICONINFORMATION );
*/	

	::FreeLibrary(hIns);
}

void CCallFortranDllDlg::OnCircleArea() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	HINSTANCE hIns=NULL;
	hIns = LoadLibraryEx("Exam.dll",NULL,DONT_RESOLVE_DLL_REFERENCES);

    if(hIns)
	{
	typedef  int (*MYPROC)(float &r, float &area); 
	MYPROC fun= (MYPROC)GetProcAddress(hIns,"_CIRCLE@8");
    float r=m_fRadius;
	float area=0;
	fun(r,area);
	CString str;
	str.Format("%.3f",area);
	MessageBox(str);
    }
	else
	{
      AfxMessageBox("没有找到Exam.dll");
	}


}