Click here to Skip to main content
15,884,176 members
Articles / Desktop Programming / MFC

Class to Determine a Local Machine's IP Address

Rate me:
Please Sign up or sign in to vote.
2.80/5 (5 votes)
23 Aug 20022 min read 95.2K   1.5K   17  
This is a class for determining a local machine's IP address using iphlpapi or sockets and to convert between a couple of standard formats
// IPQueryDlg.cpp : implementation file
//

#include "stdafx.h"
#include "IPQuery.h"
#include "IPQueryDlg.h"
#include "LocalIPQuery.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()

/////////////////////////////////////////////////////////////////////////////
// CIPQueryDlg dialog

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

void CIPQueryDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CIPQueryDlg)
	DDX_Control(pDX, IDC_IPADDRESS2, m_cipacDemo);
	DDX_Control(pDX, IDC_LIST_NBO, m_clbNBO);
	DDX_Control(pDX, IDC_LIST_HBO, m_clbHBO);
	DDX_Control(pDX, IDC_LIST_CSTRING, m_clbString);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CIPQueryDlg, CDialog)
	//{{AFX_MSG_MAP(CIPQueryDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CIPQueryDlg message handlers

BOOL CIPQueryDlg::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
	
// START: demo code
	LocalIPQuery LocalMachine;
	int nLoop;

	// fills the combo list box controls
	for(nLoop = 0; nLoop < LocalMachine.m_vIPAddress.size(); nLoop++)
	{
		char csTemp[11];
		this->m_clbString.AddString(LocalMachine.m_vIPAddress[nLoop].GetString());
		this->m_clbHBO.AddString(_ui64toa(LocalMachine.m_vIPAddress[nLoop].GetHBO(), csTemp, 10));
		this->m_clbNBO.AddString(_ui64toa(LocalMachine.m_vIPAddress[nLoop].GetNBO(), csTemp, 10));
	}
	
	// fills the IP Address Control
	this->m_cipacDemo.SetAddress(LocalMachine.m_vIPAddress[nLoop - 1].GetNBO());
// END: demo code

	UpdateData(FALSE);


	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CIPQueryDlg::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 CIPQueryDlg::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 CIPQueryDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here


Written By
United States United States
This member has not yet provided a Biography. Assume it's interesting and varied, and probably something to do with programming.

Comments and Discussions