createmultithreaddlg.cpp

MFC程序开发参考大全 【明日科技】宋坤 刘锐宁 李伟明 【丛 书 名】 软件工程师典藏 【出 版 社】 人民邮电出版社 本书详细介绍了MFC框架中所有常用类及控件的应用

// CreateMultiThreadDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CreateMultiThread.h"
#include "CreateMultiThreadDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CCreateMultiThreadDlg dialog

CCreateMultiThreadDlg::CCreateMultiThreadDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCreateMultiThreadDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCreateMultiThreadDlg)
		// 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 CCreateMultiThreadDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCreateMultiThreadDlg)
	DDX_Control(pDX, IDC_THREADTWO, m_ThreadTwo);
	DDX_Control(pDX, IDC_THREADTHREE, m_ThreadThree);
	DDX_Control(pDX, IDC_THREADONE, m_ThreadOne);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCreateMultiThreadDlg, CDialog)
	//{{AFX_MSG_MAP(CCreateMultiThreadDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CREATETHREAD, OnCreatethread)
	ON_BN_CLICKED(IDC_RUNTHREAD, OnRunthread)
	ON_BN_CLICKED(IDC_SUSPENDTHREAD, OnSuspendthread)
	ON_BN_CLICKED(IDC_AROUSETHREAD, OnArousethread)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCreateMultiThreadDlg message handlers

BOOL CCreateMultiThreadDlg::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

	//Set ProgressCtrl Range
	m_ThreadOne.SetRange(0,100000);
	m_ThreadTwo.SetRange(0,100000);
	m_ThreadThree.SetRange(0,100000);

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CCreateMultiThreadDlg::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 CCreateMultiThreadDlg::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 CCreateMultiThreadDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

//The first thread's thread function
DWORD CCreateMultiThreadDlg::ThreadFunOne(LPVOID lpParam)
{
	CCreateMultiThreadDlg* pDlg = (CCreateMultiThreadDlg*)lpParam; 
	int low,high,pos;
	pos = pDlg->m_ThreadOne.GetPos();

	pDlg->m_ThreadOne.GetRange(low,high);

	while (pos<high)
	{
		pos = pDlg->m_ThreadOne.GetPos();
		pDlg->m_ThreadOne.SetPos(pos+1);
	}
	pDlg->m_ThreadOne.SetPos(0);
	return 0;
}

//The second thread's thread function
DWORD CCreateMultiThreadDlg::ThreadFunTwo(LPVOID lpParam)
{
	CCreateMultiThreadDlg* pDlg = (CCreateMultiThreadDlg*)lpParam; 
	int low,high,pos;
	pos = pDlg->m_ThreadTwo.GetPos();

	pDlg->m_ThreadTwo.GetRange(low,high);

	while (pos<high)
	{
		pos = pDlg->m_ThreadTwo.GetPos();
		pDlg->m_ThreadTwo.SetPos(pos+1);
	}
	pDlg->m_ThreadTwo.SetPos(0);
	return 0;
}

//The third thread's thread function
DWORD CCreateMultiThreadDlg::ThreadFunThree(LPVOID lpParam)
{
	CCreateMultiThreadDlg* pDlg = (CCreateMultiThreadDlg*)lpParam; 
	int low,high,pos;
	pos = pDlg->m_ThreadThree.GetPos();

	pDlg->m_ThreadThree.GetRange(low,high);

	while (pos<high)
	{
		pos = pDlg->m_ThreadThree.GetPos();
		pDlg->m_ThreadThree.SetPos(pos+1);
	}
	pDlg->m_ThreadThree.SetPos(0);
	return 0;
}


void CCreateMultiThreadDlg::OnOK() 
{


}

void CCreateMultiThreadDlg::OnCreatethread() 
{
	m_hThreadOne = CreateThread(NULL,100,ThreadFunOne,(void*)this,CREATE_SUSPENDED,NULL);
	SetThreadPriority(m_hThreadOne,THREAD_PRIORITY_ABOVE_NORMAL);

	m_hThreadTwo = CreateThread(NULL,100,ThreadFunTwo,(void*)this,CREATE_SUSPENDED,NULL);
	SetThreadPriority(m_hThreadTwo,THREAD_PRIORITY_NORMAL);

	m_hThreadThree = CreateThread(NULL,100,ThreadFunThree,(void*)this,CREATE_SUSPENDED,NULL);
	SetThreadPriority(m_hThreadThree,THREAD_PRIORITY_BELOW_NORMAL);	
}

void CCreateMultiThreadDlg::OnRunthread() 
{
	ResumeThread(m_hThreadOne);	
	ResumeThread(m_hThreadTwo);	
	ResumeThread(m_hThreadThree);	
}

void CCreateMultiThreadDlg::OnSuspendthread() 
{
	SuspendThread(m_hThreadOne);
	SuspendThread(m_hThreadTwo);
	SuspendThread(m_hThreadThree);	
}

void CCreateMultiThreadDlg::OnArousethread() 
{
	ResumeThread(m_hThreadOne);	
	ResumeThread(m_hThreadTwo);	
	ResumeThread(m_hThreadThree);	
}