threadtestview.cpp

WinCE开发技巧与实例的配套源码

// ThreadTestView.cpp : implementation of the CThreadTestView class
//

#include "stdafx.h"
#include "afxmt.h"
#include "ThreadTest.h"

#include "ThreadTestDoc.h"
#include "ThreadTestView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CThreadTestView
CString m_Time;
CString m_Title;
CEvent ThreadBegin;
CEvent ThreadEnd;


IMPLEMENT_DYNCREATE(CThreadTestView, CView)

BEGIN_MESSAGE_MAP(CThreadTestView, CView)
	//{{AFX_MSG_MAP(CThreadTestView)
	ON_WM_CREATE()
	ON_COMMAND(ID_THREAD_BEGIN, OnThreadBegin)
	ON_UPDATE_COMMAND_UI(ID_THREAD_BEGIN, OnUpdateThreadBegin)
	ON_COMMAND(ID_THREAD_KILL, OnThreadKill)
	ON_UPDATE_COMMAND_UI(ID_THREAD_KILL, OnUpdateThreadKill)
	//}}AFX_MSG_MAP
	ON_MESSAGE(MY_MSG01,OnMyMsg01)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CThreadTestView construction/destruction

CThreadTestView::CThreadTestView()
{
	// TODO: add construction code here

}

CThreadTestView::~CThreadTestView()
{
}

BOOL CThreadTestView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CThreadTestView drawing

void CThreadTestView::OnDraw(CDC* pDC)
{
	CThreadTestDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	CRect rect(20,20,250,250);
	CRect rect1(20,50,250,250);
	pDC->SetTextColor(RGB(255,0,0));
	pDC->DrawText(m_Title,rect,DT_CENTER);
	pDC->SetTextColor(RGB(0,0,255));
	pDC->DrawText(m_Time,rect1,DT_CENTER);
}

/////////////////////////////////////////////////////////////////////////////
// CThreadTestView diagnostics

#ifdef _DEBUG
void CThreadTestView::AssertValid() const
{
	CView::AssertValid();
}

void CThreadTestView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CThreadTestDoc* CThreadTestView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CThreadTestDoc)));
	return (CThreadTestDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CThreadTestView message handlers
UINT ThreadProc(LPVOID param)
{
	COleDateTime Now;
	CString ChangeTime;

	::WaitForSingleObject(ThreadBegin.m_hObject,INFINITE);
	m_Title=L"The Thread is started...                ";
	::PostMessage((HWND)param,MY_MSG01,0,0);

	BOOL KeepRunning=true;
	while(KeepRunning)
	{
		Now=COleDateTime::GetCurrentTime();
		ChangeTime.Format(L"%.4d-%.2d-%.2d %.2d:%.2d:%.2d", 
		Now.GetYear(),
		Now.GetMonth(),
		Now.GetDay(),
		Now.GetHour() ,
		Now.GetMinute(),
		Now.GetSecond());
		
		m_Time=ChangeTime;
		::PostMessage((HWND)param,MY_MSG01,0,0);
		int Result=::WaitForSingleObject(ThreadEnd.m_hObject,0);
		if (Result==WAIT_OBJECT_0)
			KeepRunning=false;
		else
			Sleep(1000);
	}
	m_Title=L"The Thread is Ended...                 ";
	::PostMessage((HWND)param,MY_MSG01,0,0);

	return 0;
}



int CThreadTestView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	HWND hWnd=GetSafeHwnd();
	//AfxBeginThread(ThreadProc,hWnd);
	return 0;
}

void CThreadTestView::OnThreadBegin() 
{
	HWND hWnd=GetSafeHwnd();
	AfxBeginThread(ThreadProc,hWnd);
	ThreadBegin.SetEvent();
	m_Begin=!m_Begin;
	
}

void CThreadTestView::OnUpdateThreadBegin(CCmdUI* pCmdUI) 
{
	pCmdUI->SetCheck(m_Begin);
	
}

void CThreadTestView::OnThreadKill() 
{
	ThreadEnd.SetEvent();
	m_End=!m_End;
}

void CThreadTestView::OnUpdateThreadKill(CCmdUI* pCmdUI) 
{
	pCmdUI->SetCheck(m_End);
	
}
void CThreadTestView::OnMyMsg01(WPARAM wParam,LPARAM lParam)
{
	Invalidate();
	return;
}