• inbabelle
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  • C++ Builder
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  • 21KB
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  • rar
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  • 2019-04-02 05:49
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实时连续显示柱状图,对需要信号频谱显示的有很好的参考作用
654510.rar
  • RES
  • HISTOGRAMTEST.RC2
    405B
  • HISTOGRAMTEST.ICO
    1.1KB
  • nDEBUG
  • STDAFX.CPP
    211B
  • VHISTOGRAMCTRL.H
    1.2KB
  • HISTOGRAMTEST.RC
    5.2KB
  • HISTOGRAMTESTDLG.H
    1.6KB
  • HISTOGRAMTEST.CLW
    1.7KB
  • STDAFX.H
    928B
  • HISTOGRAMTEST.001
    4.3KB
  • HISTOGRAMTEST.CPP
    2.1KB
  • HISTOGRAMTEST.PLG
    1.7KB
  • HISTOGRAMTEST.DSW
    549B
  • HISTOGRAMTEST.DSP
    4.2KB
  • HISTOGRAMTEST.OPT
    48.5KB
  • HISTOGRAMTEST.NCB
    65KB
  • HISTOGRAMTESTDLG.CPP
    4.9KB
  • HISTOGRAMTEST.H
    1.4KB
  • HistogramTest.aps
    20.3KB
  • OHISTOGRAMCTRL.CPP
    3.5KB
  • RESOURCE.H
    691B
内容介绍
// HistogramTestDlg.cpp : implementation file // #include "stdafx.h" #include "HistogramTest.h" #include "HistogramTestDlg.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() ///////////////////////////////////////////////////////////////////////////// // CHistogramTestDlg dialog CHistogramTestDlg::CHistogramTestDlg(CWnd* pParent /*=NULL*/) : CDialog(CHistogramTestDlg::IDD, pParent) { //{{AFX_DATA_INIT(CHistogramTestDlg) // 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); m_bStartStop = FALSE; } void CHistogramTestDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CHistogramTestDlg) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CHistogramTestDlg, CDialog) //{{AFX_MSG_MAP(CHistogramTestDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDOK, OnTest) ON_WM_TIMER() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CHistogramTestDlg message handlers BOOL CHistogramTestDlg::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 CRect rect; GetDlgItem(IDC_STATIC_HISTOGRAM)->GetWindowRect(rect); ScreenToClient(rect); m_HistogramCtrl.Create(WS_VISIBLE | WS_CHILD, rect, this, 100); m_HistogramCtrl.SetRange(0,100); return TRUE; // return TRUE unless you set the focus to a control } void CHistogramTestDlg::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 CHistogramTestDlg::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 CHistogramTestDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CHistogramTestDlg::OnTest() { // TODO: Add your control notification handler code here m_bStartStop ^= TRUE; if (m_bStartStop) SetTimer(1,500,NULL); else KillTimer(1); } void CHistogramTestDlg::OnTimer(UINT nIDEvent) { // TODO: Add your message handler code here and/or call default CTime t = CTime::GetCurrentTime(); int nRandom; srand(t.GetSecond()); do { nRandom = rand(); } while (nRandom < 0 || nRandom > 100); m_HistogramCtrl.SetPos(nRandom); CDialog::OnTimer(nIDEvent); }
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