www.gusucode.com > VC++ AccessConflict线程顺序启动计数-源码程序 > VC++ AccessConflict线程顺序启动计数-源码程序/code/AccessConflictDlg.cpp

    // AccessConflictDlg.cpp : implementation file
// Download by http://www.NewXing.com

#include "stdafx.h"
#include "AccessConflict.h"
#include "AccessConflictDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CAccessConflictDlg dialog

CAccessConflictDlg::CAccessConflictDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAccessConflictDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAccessConflictDlg)
		// 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_nCounter = 0;
	m_hSemaphore = NULL;
}

void CAccessConflictDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAccessConflictDlg)
	DDX_Control(pDX, IDC_LIST, m_List);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAccessConflictDlg, CDialog)
	//{{AFX_MSG_MAP(CAccessConflictDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_START, OnStart)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAccessConflictDlg message handlers

BOOL CAccessConflictDlg::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 CAccessConflictDlg::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 CAccessConflictDlg::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 CAccessConflictDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

unsigned long __stdcall CounterProc(void* lpParameter)
{
	CAccessConflictDlg* pDlg = (CAccessConflictDlg*)lpParameter;
	char	szText[128] = {0};
	long nCount = 0;
	while (pDlg->m_nCounter < 100)						//定义一个循环
	{
		memset(szText, 0, 128);
		WaitForSingleObject(pDlg->m_hSemaphore, INFINITE);	//等待信标对象有信号
		wsprintf(szText, "线程一输出当前计数：%d", pDlg->m_nCounter);
		pDlg->m_List.AddString(szText);
		pDlg->m_nCounter++;								//使计数加一					
		Sleep(100);										//延时100毫秒
		ReleaseSemaphore(pDlg->m_hSemaphore, 1, &nCount);	//设置信标对象为有信号状态
	}
	return 0;
}

unsigned long __stdcall OutputProc(void* lpParameter)
{
	CAccessConflictDlg* pDlg = (CAccessConflictDlg*)lpParameter;
	char	szText[128] = {0};
	long nCount = 0;
	while (pDlg->m_nCounter < 100)						//定义一个循环
	{
		memset(szText, 0, 128);
		WaitForSingleObject(pDlg->m_hSemaphore, INFINITE);	//等待信标对象有信号
		wsprintf(szText, "线程二输出当前计数：%d", pDlg->m_nCounter);
		pDlg->m_List.AddString(szText);
		pDlg->m_nCounter++;								//使计数加一					
		Sleep(100);										//延时100毫秒
		ReleaseSemaphore(pDlg->m_hSemaphore, 1, &nCount);	//设置信标对象为有信号状态
	}
	return 0;
}

void CAccessConflictDlg::OnStart() 
{
	m_hSemaphore = CreateSemaphore(NULL, 1, 100, "Sem");		//创建信标对象
	HANDLE hCounterThread = CreateThread(NULL, 0, CounterProc, this, 0, NULL);
	//创建一个线程
	HANDLE hOutputThread = CreateThread(NULL, 0, OutputProc, this, 0, NULL);
	CloseHandle(hCounterThread);								//关闭线程句柄
	CloseHandle(hOutputThread);									//关闭线程句柄	
}