afxbeginthreaddlg.cpp

VC++串口通信设。本书详细说明讲解了在VC++环境下编写串口通信得过程。值得一看

// afxbeginthreadDlg.cpp : implementation file
//

#include "stdafx.h"
#include "afxbeginthread.h"
#include "afxbeginthreadDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAfxbeginthreadDlg dialog

CAfxbeginthreadDlg::CAfxbeginthreadDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAfxbeginthreadDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAfxbeginthreadDlg)
		// 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 CAfxbeginthreadDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAfxbeginthreadDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAfxbeginthreadDlg, CDialog)
	//{{AFX_MSG_MAP(CAfxbeginthreadDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAfxbeginthreadDlg message handlers

void CAfxbeginthreadDlg::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.

static DWORD g_idthread;

HCURSOR CAfxbeginthreadDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

UINT ThreadProc( LPVOID pParam )
{
  TRACE("Hello\n");
  MSG msg;
  while (::GetMessage(&msg, NULL, 0, 0))
  {}
  return 0;
}

BOOL CAfxbeginthreadDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	SetIcon(m_hIcon, TRUE);			
	SetIcon(m_hIcon, FALSE);		
	
    CWinThread * pthread = ::AfxBeginThread(ThreadProc, NULL);
	g_idthread = pthread->m_nThreadID;
	
	return TRUE;  
}

void CAfxbeginthreadDlg::OnOK() 
{
    ::PostThreadMessage(g_idthread, WM_QUIT, 0, 0);
	CDialog::OnOK();
}