displaythread.cpp

从学案例入手

// DisplayThread.cpp: implementation of the CDisplayThread class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "UIThread.h"
#include "DisplayThread.h"

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

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
IMPLEMENT_DYNCREATE(CDisplayThread,CExampleThread)

CDisplayThread::CDisplayThread()
{

}

CDisplayThread::~CDisplayThread()
{

}

int CDisplayThread::Run()
{
	BOOL fSyncChecked;//同步机制复选检测
	unsigned int nNumber;//存储字符串中整数

	if (m_pOwner == NULL)
		return -1;

	//将同步对象同锁对象联系起来
	CSingleLock sLock(&(m_pOwner->m_mutex));
	while (!m_bDone)//控制线程运行，为终止线程服务
	{
		//取同步机制复选状态
		fSyncChecked = m_pOwner->IsDlgButtonChecked(IDC_SYNCHRONIZE);

		//确定是否使用同步机制
		if (fSyncChecked)
			sLock.Lock();

		//读取整数
		_stscanf((LPCTSTR) m_pOwner->m_strNumber,_T("%d"), &nNumber);
		nNumber++;//加1
		m_pOwner->m_strNumber.Empty();//字符串置空

		while (nNumber != 0) //更新字符串
		{
			m_pOwner->m_strNumber+=(TCHAR) ('0'+nNumber%10);
			nNumber/= 10;
		}

		//调整字符串顺序
		m_pOwner->m_strNumber.MakeReverse();
		//如果复选同步机制，释放资源
		if (fSyncChecked)
			sLock.Unlock();
		//确定复选显示计数线程
		if (m_pOwner->IsDlgButtonChecked(IDC_SHOWCNTRTHRD)){
			m_pOwner->AddToListBox(_T("Counter: Add 1"));
			Sleep(1000);
		}
	}//结束while

	m_pOwner->PostMessage(WM_CLOSE, 0, 0L);

	return 0;
}