商业编程-源码-在对话框里显示一个动画的圆环.zip

// GraphDlg.cpp : implementation file //////////////////////// //石油大学 //浮萍工作室(Float WorkStudio)王传章（王哲） //arswan@sina.com http://sunapple.51.net /////////////////////// #include "stdafx.h" #include "Graph.h" #include "GraphDlg.h" #include "colordlg.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() ///////////////////////////////////////////////////////////////////////////// // CGraphDlg dialog CGraphDlg::CGraphDlg(CWnd* pParent /*=NULL*/) : CDialog(CGraphDlg::IDD, pParent) { //{{AFX_DATA_INIT(CGraphDlg) // 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 CGraphDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CGraphDlg) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CGraphDlg, CDialog) //{{AFX_MSG_MAP(CGraphDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_EXIT_BUTTON, OnExitButton) ON_WM_DESTROY() ON_WM_TIMER() ON_BN_CLICKED(IDC_DRAW_BUTTON, OnDrawButton) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CGraphDlg message handlers BOOL CGraphDlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. int iInstallresult; iInstallresult=SetTimer(1, 50, NULL); if(iInstallresult==0) { MessageBox("cannot install timer!"); } colordlg dlg; dlg.m_RedRadio=0; m_Radius=50; m_direction=1; // 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 CGraphDlg::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 CGraphDlg::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 { CPaintDC dc(this); CPen MyNewPen; COLORREF mm_color=dlg.m_color; MyNewPen.CreatePen(PS_SOLID,10,mm_color);//RGB(255,0,0) CPen* pOriginalPen; pOriginalPen=dc.SelectObject(&MyNewPen); CRect MyRectangle(30,10,20+m_Radius*2,10+m_Radius*2); dc.Ellipse(&MyRectangle); dc.SelectObject(pOriginalPen); CDialog::OnPaint(); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CGraphDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CGraphDlg::OnExitButton() { OnOK(); } void CGraphDlg::OnDestroy() { CDialog::OnDestroy(); KillTimer(1); } //////////////循环控制 void CGraphDlg::OnTimer(UINT nIDEvent) { //MessageBox("s"); m_Radius=m_Radius+m_direction; if(m_Radius>=100) { m_direction=-1; } if(m_Radius<=10) { m_direction=1; } Invalidate(); CDialog::OnTimer(nIDEvent); } void CGraphDlg::OnDrawButton() { dlg.DoModal(); }