WQDemoDlg.cpp
资源名称:多线程实例.rar [点击查看]
上传用户:dfzycw
上传日期:2010-01-10
资源大小:66k
文件大小:7k
源码类别:
进程与线程
开发平台:
Visual C++
- // WQDemoDlg.cpp : implementation file
- //
- #include "stdafx.h"
- #include "WQDemo.h"
- #include "WQDemoDlg.h"
- #include "WorkQueue.h"
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
- class SpecificWorkItem : public WorkItemBase
- {
- public:
- SpecificWorkItem(CXListCtrl* pListCtrl,int nItem){m_pListCtrl = pListCtrl; m_nItem = nItem;}
- private:
- void DoWork(void* pThreadContext);
- void Abort();
- int m_nItem;
- CXListCtrl* m_pListCtrl;
- };
- void SpecificWorkItem::DoWork(void* pThreadContext)
- {
- m_pListCtrl->EnsureVisible(m_nItem,TRUE);
- m_pListCtrl->SetProgress(m_nItem,0);
- for(int i = 0 ; i < 100 ; i++)
- {
- Sleep(100);
- m_pListCtrl->UpdateProgress(m_nItem,0,i);
- }
- m_pListCtrl->DeleteProgress(m_nItem,0);
- m_pListCtrl->SetItemText(m_nItem,0,_T("Complete"));
- delete this;
- }
- void SpecificWorkItem::Abort()
- {
- m_pListCtrl->SetItemText(m_nItem,0,_T("Aborted"));
- delete this;
- }
- /////////////////////////////////////////////////////////////////////////////
- // 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()
- /////////////////////////////////////////////////////////////////////////////
- // CWQDemoDlg dialog
- unsigned long __stdcall CWQDemoDlg::ThreadFuncDestroy( void* pParam )
- {
- CWQDemoDlg* pDlg = (CWQDemoDlg*)pParam;
- pDlg->m_WorkQueue.Destroy();
- return 1;
- }
- CWQDemoDlg::CWQDemoDlg(CWnd* pParent /*=NULL*/)
- : CDialog(CWQDemoDlg::IDD, pParent)
- {
- //{{AFX_DATA_INIT(CWQDemoDlg)
- m_nNumberOfThreads = 5;
- //}}AFX_DATA_INIT
- // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
- m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
- }
- void CWQDemoDlg::DoDataExchange(CDataExchange* pDX)
- {
- CDialog::DoDataExchange(pDX);
- //{{AFX_DATA_MAP(CWQDemoDlg)
- DDX_Control(pDX, IDC_ITEM_QUEUE_LIST, m_ItemsOueueList);
- DDX_Text(pDX, IDC_NUMBER_OF_THREADS_EDIT, m_nNumberOfThreads);
- DDV_MinMaxUInt(pDX, m_nNumberOfThreads, 0, 64);
- //}}AFX_DATA_MAP
- }
- BEGIN_MESSAGE_MAP(CWQDemoDlg, CDialog)
- //{{AFX_MSG_MAP(CWQDemoDlg)
- ON_WM_SYSCOMMAND()
- ON_WM_PAINT()
- ON_WM_QUERYDRAGICON()
- ON_BN_CLICKED(IDC_CREATE, OnCreate)
- ON_BN_CLICKED(IDC_DESTROY, OnDestroy)
- ON_BN_CLICKED(IDC_ADD_ITEM_BTN, OnAddItemBtn)
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // CWQDemoDlg message handlers
- BOOL CWQDemoDlg::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_ItemsOueueList.InsertColumn(0,_T("项目进程"),LVCFMT_LEFT,195);
- return TRUE; // return TRUE unless you set the focus to a control
- }
- void CWQDemoDlg::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 CWQDemoDlg::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 CWQDemoDlg::OnQueryDragIcon()
- {
- return (HCURSOR) m_hIcon;
- }
- void CWQDemoDlg::OnCreate()
- {
- //界面更新显示
- UpdateData();
- GetDlgItem(IDC_CREATE)->EnableWindow(FALSE);
- GetDlgItem(IDC_NUMBER_OF_THREADS_SPIN_SPIN)->EnableWindow(FALSE);
- GetDlgItem(IDC_DESTROY)->EnableWindow(TRUE);
- GetDlgItem(IDC_ADD_ITEM_BTN)->EnableWindow(TRUE);
- //创建线程
- m_WorkQueue.Create(m_nNumberOfThreads);
- }
- void CWQDemoDlg::OnDestroy()
- {
- GetDlgItem(IDC_DESTROY)->EnableWindow(FALSE);
- GetDlgItem(IDC_ADD_ITEM_BTN)->EnableWindow(FALSE);
- //为了在程序退出时界面不被冻结,这里建立了另一个线程,利用该线程去结束其他的线程
- DWORD dwThreadId;
- HANDLE hThreade = CreateThread(NULL,
- 0,
- CWQDemoDlg::ThreadFuncDestroy,
- this,
- 0,
- &dwThreadId);
- while (TRUE)
- {
- DWORD result ;
- MSG msg ;
- // 读取所有的消息
- // 移除读到的所有消息,防止界面锁住
- while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
- {
- if (msg.message == WM_QUIT)
- return;
- DispatchMessage(&msg);
- }
- // 等待任何队列消息或则hThreade线程句柄触发
- result = MsgWaitForMultipleObjects(1, &hThreade ,
- FALSE, INFINITE, QS_ALLINPUT);
- // 如果是hThreade线程结束,表示所有的线程都已经退出
- if (result == WAIT_OBJECT_0)
- {
- break;
- }
- else
- {
- continue;
- }
- }
- GetDlgItem(IDC_CREATE)->EnableWindow(TRUE);
- GetDlgItem(IDC_NUMBER_OF_THREADS_SPIN_SPIN)->EnableWindow(TRUE);
- }
- void CWQDemoDlg::OnAddItemBtn()
- {
- static i = 0;
- i++;
- int nItem = m_ItemsOueueList.InsertItem(i, _T("Waiting..."));
- m_WorkQueue.InsertWorkItem(new SpecificWorkItem(&m_ItemsOueueList,nItem));
- }