multithreadadlg.cpp

难得的多线程编程基础及应用程序

// MultiThreadADlg.cpp : implementation file
//

#include "stdafx.h"
#include "MultiThreadA.h"
#include "MultiThreadADlg.h"

#include "UIThread.h"

#define USER_PROC_FINISHED WM_USER + 1

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

ThreadInfo Info;
UINT ThreadProc(LPVOID pParam)
{
	ThreadInfo* pInfo = (ThreadInfo*)pParam;
	for (int i = 0; i < 100; i++)
	{
		int nTemp = 10 * (pInfo->nSecond);
		pInfo->pctrlProgress->SetPos(i);
		Sleep(nTemp);
	}
	//AfxMessageBox("在辅助线程中的进度条操作结束！");
	::PostMessage(pInfo->pDlg->GetSafeHwnd(), USER_PROC_FINISHED, 0, 0);

	return 0;
}

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CMultiThreadADlg dialog

CMultiThreadADlg::CMultiThreadADlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMultiThreadADlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMultiThreadADlg)
	m_nSecond = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMultiThreadADlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMultiThreadADlg)
	DDX_Control(pDX, IDC_PROGRESS1, m_ctrlProgress);
	DDX_Text(pDX, IDC_ED_TIME, m_nSecond);
	DDV_MinMaxUInt(pDX, m_nSecond, 0, 30);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMultiThreadADlg, CDialog)
	//{{AFX_MSG_MAP(CMultiThreadADlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BT_START, OnBtStart)
	ON_BN_CLICKED(IDC_START_UI, OnStartUi)
	ON_BN_CLICKED(IDC_RADIO_MAIN, OnRadioMain)
	ON_BN_CLICKED(IDC_RADIO_ANOTHER, OnRadioAnother)
	//}}AFX_MSG_MAP
	ON_MESSAGE(USER_PROC_FINISHED, OnFinished)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMultiThreadADlg message handlers

BOOL CMultiThreadADlg::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
	CheckRadioButton(IDC_RADIO_MAIN, IDC_RADIO_ANOTHER, IDC_RADIO_MAIN);
	SetDlgItemText(IDC_STATIC_INFO, "在主线程中启动进度条操作。");
	m_ctrlProgress.SetRange(0, 99);


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

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

void CMultiThreadADlg::OnBtStart() 
{
	// TODO: Add your control notification handler code here
	if (!UpdateData())
		return;
	if (GetCheckedRadioButton(IDC_RADIO_MAIN, IDC_RADIO_ANOTHER) != IDC_RADIO_ANOTHER)
	{
		for (int i = 0; i < 100; i++)
		{
			int nTemp = 10 * (m_nSecond);
			m_ctrlProgress.SetPos(i);
			Sleep(nTemp);
		}
		return;
	}
	Info.pctrlProgress = &m_ctrlProgress;
	Info.nSecond = m_nSecond;
	Info.pDlg = this;
	pThread = AfxBeginThread(ThreadProc, &Info);
}

void CMultiThreadADlg::OnStartUi() 
{
	// TODO: Add your control notification handler code here
	pThread = AfxBeginThread(RUNTIME_CLASS(CUIThread));
}

void CMultiThreadADlg::OnFinished() 
{
	// TODO: Add your control notification handler code here
	SetDlgItemText(IDC_STATIC_INFO, "在辅助线程中的进度条操作结束！");
}

void CMultiThreadADlg::OnRadioMain() 
{
	// TODO: Add your control notification handler code here
	SetDlgItemText(IDC_STATIC_INFO, "在主线程中启动进度条操作。");	
}

void CMultiThreadADlg::OnRadioAnother() 
{
	// TODO: Add your control notification handler code here
	SetDlgItemText(IDC_STATIC_INFO, "在辅助线程中启动进度条操作。");	
}