eventdemoview.cpp

VC.net 的一些有用的技巧

// EventDemoView.cpp : CEventDemoView 类的实现
//

#include "stdafx.h"
#include "EventDemo.h"

#include "EventDemoDoc.h"
#include "EventDemoView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

CEvent ThreadBegin;
CEvent ThreadEnd;


// CEventDemoView

IMPLEMENT_DYNCREATE(CEventDemoView, CView)

BEGIN_MESSAGE_MAP(CEventDemoView, CView)
	ON_COMMAND(ID_130, OnBeginthread)
	ON_COMMAND(ID_131, OnEndthread)
	ON_WM_CREATE()
END_MESSAGE_MAP()

// CEventDemoView 构造/销毁

CEventDemoView::CEventDemoView()
{
	// TODO: 在此处添加构造代码

}

CEventDemoView::~CEventDemoView()
{
}

BOOL CEventDemoView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: 在此处通过修改 CREATESTRUCT cs 来修改窗口类或
	// 样式

	return CView::PreCreateWindow(cs);
}

// CEventDemoView 绘制

void CEventDemoView::OnDraw(CDC* /*pDC*/)
{
	CEventDemoDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	// TODO: 在此处为本机数据添加绘制代码
}


// CEventDemoView 诊断

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

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

CEventDemoDoc* CEventDemoView::GetDocument() const // 非调试版本是内联的
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CEventDemoDoc)));
	return (CEventDemoDoc*)m_pDocument;
}
#endif //_DEBUG

UINT ThreadProc(LPVOID param)
{
	WaitForSingleObject(ThreadBegin.m_hObject, INFINITE);
	AfxMessageBox("Beging a Thread",  MB_OK);
	while(1)
	{
		if (::WaitForSingleObject(ThreadEnd.m_hObject, 0) == WAIT_OBJECT_0)
		break;
		Beep(3000,1000);
	}
	AfxMessageBox("End a Thread",  MB_OK);
	return 0;
}

// CEventDemoView 消息处理程序

void CEventDemoView::OnBeginthread()
{
	// TODO: 在此添加命令处理程序代码
	ThreadBegin.SetEvent();
}

void CEventDemoView::OnEndthread()
{
	// TODO: 在此添加命令处理程序代码
	ThreadEnd.SetEvent();
}

int CEventDemoView::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;

	// TODO:  在此添加您专用的创建代码
	HWND hWnd = GetSafeHwnd();
    AfxBeginThread(ThreadProc, hWnd, THREAD_PRIORITY_NORMAL);
	return 0;
}