www.gusucode.com > 20个VC++网络相关的源代码实例源码程序 > 20个VC++网络相关的源代码实例源码程序\code\如何获得网上邻居\Demo\DemoDlg.cpp
//Download by http://www.NewXing.com // DemoDlg.cpp : implementation file // #include "stdafx.h" #include "Demo.h" #include "DemoDlg.h" #include <Winnetwk.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() ///////////////////////////////////////////////////////////////////////////// // CDemoDlg dialog CDemoDlg::CDemoDlg(CWnd* pParent /*=NULL*/) : CDialog(CDemoDlg::IDD, pParent) { //{{AFX_DATA_INIT(CDemoDlg) // 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 CDemoDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CDemoDlg) DDX_Control(pDX, IDC_LIST, m_ctrlList); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CDemoDlg, CDialog) //{{AFX_MSG_MAP(CDemoDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_TEST, OnTest) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDemoDlg message handlers BOOL CDemoDlg::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 CDemoDlg::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 CDemoDlg::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 CDemoDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CDemoDlg::OnTest() { CListBox* pListBox = (CListBox*)GetDlgItem(IDC_LIST); pListBox->ResetContent(); EnumNet(NULL, 0); } void CDemoDlg::EnumNet(NETRESOURCE* pResource, int nItem) { HANDLE hEnum = NULL; DWORD dwResult = 0; //打开网上资源的枚举 dwResult = WNetOpenEnum( RESOURCE_GLOBALNET, RESOURCETYPE_ANY, 0, pResource, &hEnum); if (dwResult != NO_ERROR) { return; } DWORD nCount = -1; DWORD nSize = 16384; pResource = (NETRESOURCE*)new BYTE[nSize]; do { ZeroMemory(pResource, nSize); //枚举网上资源 dwResult = WNetEnumResource( hEnum, &nCount, pResource, &nSize); if (dwResult == NO_ERROR) { for (UINT n = 0 ; n < nCount; n++) { ShowNet(&pResource[n], nItem); //如果网络资源是容器资源则递归调用枚举函数 if ((pResource[n].dwUsage & RESOURCEUSAGE_CONTAINER) == RESOURCEUSAGE_CONTAINER) { EnumNet(&pResource[n], nItem + 1); } } } else if(dwResult != ERROR_NO_MORE_ITEMS) { break; } } while(dwResult != ERROR_NO_MORE_ITEMS); delete[] pResource; //关闭网上资源的枚举 WNetCloseEnum(hEnum); } void CDemoDlg::ShowNet(NETRESOURCE* pResource, int nItem) { CString strText = _T(""); strText += _T(""); strText += pResource->lpRemoteName; strText += _T(""); strText += pResource->lpLocalName; strText += _T(""); strText += pResource->lpComment; strText += _T(""); for (int n = 0; n < nItem; n++) { strText = _T(" ") + strText; } CListBox* pListBox = (CListBox*)GetDlgItem(IDC_LIST); pListBox->AddString(strText); }