www.pudn.com > NetHostEnum列举.rar > NetHostEnumDlg.cpp

// NetHostEnumDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "NetHostEnum.h" 
#include "NetHostEnumDlg.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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CNetHostEnumDlg dialog 
 
CNetHostEnumDlg::CNetHostEnumDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CNetHostEnumDlg::IDD, pParent) 
{ 
	m_NetWalker.Create(this, OnNetResourceHit); 
	//{{AFX_DATA_INIT(CNetHostEnumDlg) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CNetHostEnumDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CNetHostEnumDlg) 
	DDX_Control(pDX, IDC_LIST, m_ctrlList); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CNetHostEnumDlg, CDialog) 
	//{{AFX_MSG_MAP(CNetHostEnumDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_BTNSCAN, OnBtnscan) 
	ON_BN_CLICKED(IDC_ABOUT, OnAbout) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CNetHostEnumDlg message handlers 
 
BOOL CNetHostEnumDlg::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 CNetHostEnumDlg::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 CNetHostEnumDlg::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 CNetHostEnumDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void CNetHostEnumDlg::OnBtnscan()  
{ 
	if(AfxMessageBox("你确定你要搜索整个网络的可用计算机吗？如果选择是，你将需要等待\n大约几分钟的时间（视您的机器性能及网络状况而定）以便本程序完成\n网络搜索任务，选择否退出搜索。",MB_YESNO)==IDYES) 
	{ 
		CWaitCursor curs; 
	    m_ctrlList.ResetContent(); 
	    if( ! m_NetWalker.Enumerate() )  
		{ 
			CString strMes = "Enumeration of the network failed.\n"; 
			strMes += m_NetWalker.GetErrorString(); 
		    AfxMessageBox(strMes); 
		}	 
	} 
	else 
		return; 
} 
BOOL CNetHostEnumDlg :: OnNetResourceHit(NETRESOURCE & NetRC)  
{ 
	if(m_NetWalker. IsServer(NetRC) )  
	{  
		CString str = m_NetWalker.GetRemoteName(NetRC);  
		register int i = 0;  
		for( ; str[i] == '\\' ; ++i );  
		if( i )  
			str = str.Mid(i);  
			str.MakeLower();  
			m_ctrlList.AddString(str);  
	}  
	return TRUE;    // continue enumeration  
} 
 
void CNetHostEnumDlg::OnAbout()  
{ 
	CAboutDlg dlgAbout; 
	dlgAbout.DoModal(); 
}