encapsulatethreaddlg.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

// EncapsulateThreadDlg.cpp : implementation file
//

#include "stdafx.h"
#include "EncapsulateThread.h"
#include "EncapsulateThreadDlg.h"
#include "ThreadApp.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()

/////////////////////////////////////////////////////////////////////////////
// CEncapsulateThreadDlg dialog

CEncapsulateThreadDlg::CEncapsulateThreadDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEncapsulateThreadDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CEncapsulateThreadDlg)
		// 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 CEncapsulateThreadDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEncapsulateThreadDlg)
	DDX_Control(pDX, IDC_WorkerThread, m_Worker);
	DDX_Control(pDX, IDC_InterfaceThread, m_Interface);
	DDX_Control(pDX, IDC_PROGRESSONE, m_Progress);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEncapsulateThreadDlg, CDialog)
	//{{AFX_MSG_MAP(CEncapsulateThreadDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_InterfaceThread, OnInterfaceThread)
	ON_BN_CLICKED(IDC_WorkerThread, OnWorkerThread)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEncapsulateThreadDlg message handlers

BOOL CEncapsulateThreadDlg::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
	
	//Set progress control range
	m_Progress.SetRange(0,100000);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CEncapsulateThreadDlg::OnOK() 
{

}

void CEncapsulateThreadDlg::OnInterfaceThread() 
{
	CWinThread* pThread = AfxBeginThread(RUNTIME_CLASS(CThreadApp),THREAD_PRIORITY_NORMAL,0,0,NULL);
	m_ThreadList.SetAt(pThread->m_hThread,pThread);
}

void CEncapsulateThreadDlg::OnWorkerThread() 
{
	CWinThread* pThread =AfxBeginThread(ThreadFunction,this,THREAD_PRIORITY_NORMAL,0,CREATE_SUSPENDED,NULL);
	m_ThreadList.SetAt(pThread->m_hThread,pThread);
	pThread->ResumeThread();
}

BOOL CEncapsulateThreadDlg::DestroyWindow() 
{
	HANDLE handle; 
	POSITION pos = m_ThreadList.GetStartPosition();

	DWORD dwExitID;
	void* pThread;
	m_ThreadList.GetNextAssoc(pos,(void *&)handle,(void*&)pThread);
	GetExitCodeThread(handle,&dwExitID);

	if (dwExitID==STILL_ACTIVE)
	{
		CWinThread * ptemp = (CWinThread*)pThread;
		delete(ptemp);
	}
	
	while (pos != NULL)
	{	
		m_ThreadList.GetNextAssoc(pos,(void *&)handle,(void*&)pThread);
		dwExitID = -1;
		GetExitCodeThread(handle,&dwExitID);
		if (dwExitID==STILL_ACTIVE)
		{
			CWinThread * ptemp = (CWinThread*)pThread;
			delete(ptemp);
		}
	}	
	return CDialog::DestroyWindow();
}

UINT CEncapsulateThreadDlg::ThreadFunction(LPVOID lParam)
{

	CEncapsulateThreadDlg* pDlg = (CEncapsulateThreadDlg*)lParam;
	
	int pos =  pDlg->m_Progress.GetPos();
	int min,max;
	pDlg->m_Progress.GetRange(min,max);

	while (pos<max)
	{
		pos+=1;
		pDlg->m_Progress.SetPos(pos);
	}
	return 0;
}