mfc socket实例（基于UDP）

// FasonDlg.cpp : implementation file // #include "stdafx.h" #include "Fason.h" #include "FasonDlg.h" #include "DSocket.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() ///////////////////////////////////////////////////////////////////////////// // CFasonDlg dialog CFasonDlg::CFasonDlg(CWnd* pParent /*=NULL*/) : CDialog(CFasonDlg::IDD, pParent) { //{{AFX_DATA_INIT(CFasonDlg) m_r = 0; m_x = 0; m_y = 0; //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON1); } void CFasonDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CFasonDlg) DDX_Control(pDX, IDC_EXIT, m_ExitButton); DDX_Control(pDX, IDC_SEND, m_SendButton); DDX_Control(pDX, IDC_COMBO1, m_Cob); DDX_Text(pDX, IDC_R, m_r); DDX_Text(pDX, IDC_X, m_x); DDX_Text(pDX, IDC_Y, m_y); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CFasonDlg, CDialog) //{{AFX_MSG_MAP(CFasonDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_SEND, OnSend) ON_BN_CLICKED(IDC_EXIT, OnExit) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CFasonDlg message handlers BOOL CFasonDlg::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 m_Cob.SetCurSel(0); return TRUE; // return TRUE unless you set the focus to a control } void CFasonDlg::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 CFasonDlg::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 CFasonDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CFasonDlg::OnSend() { // TODO: Add your control notification handler code here UpdateData(TRUE); CString m_Getstring; this->m_Cob.GetLBText(m_Cob.GetCurSel(),m_Getstring); if(m_Getstring==_T("Red")) yuan1.color=1; if(m_Getstring==_T("Green")) yuan1.color=2; if(m_Getstring==_T("Blue")) yuan1.color=3; yuan1.x=m_x; yuan1.y=m_y; yuan1.r=m_r; p=&yuan1; // int j; // j=p->r; //CDSocket m_hSocket; m_hSocket.Create(3330,SOCK_DGRAM); m_hSocket.SendTo(p,sizeof(yuan1),4550,"127.0.0.1"); Sleep(5000); p->x=p->x+100; p->y=p->y+100; m_hSocket.SendTo(p,sizeof(yuan1),4550,"127.0.0.1"); //m_hSocket.SendTo(&j,sizeof(int),3550,"127.0.0.1"); m_x=0; m_y=0; m_r=0; m_hSocket.Close(); UpdateData(FALSE); } void CFasonDlg::OnExit() { // TODO: Add your control notification handler code here CDialog::OnCancel(); }