clientview.cpp

关于网络编程自己做得一个小例子

// ClientView.cpp : implementation of the CClientView class
//

#include "stdafx.h"
#include "Client.h"

#include "ClientDoc.h"
#include "ClientView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CClientView

IMPLEMENT_DYNCREATE(CClientView, CView)

BEGIN_MESSAGE_MAP(CClientView, CView)
	//{{AFX_MSG_MAP(CClientView)
	ON_WM_TIMER()
	ON_WM_CANCELMODE()
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientView construction/destruction

CClientView::CClientView()
{
	// TODO: add construction code here
    m_nWidth=0;
}

CClientView::~CClientView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CClientView drawing

void CClientView::OnDraw(CDC* pDC)
{
	CClientDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	SetTimer(1,100,NULL);
}

/////////////////////////////////////////////////////////////////////////////
// CClientView printing

BOOL CClientView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CClientView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CClientView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CClientView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CClientView message handlers

void CClientView::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
		CClientDC dc(this);
	CFont font;
	font.CreatePointFont(400,"华文行楷",NULL);
    CFont* pOldFont=dc.SelectObject(&font);
	m_nWidth+=5;
    TEXTMETRIC tm;
    dc.GetTextMetrics(&tm);
	CRect rect;
	rect.left=150;
	rect.top=200;
	rect.right=rect.left+m_nWidth;
	rect.bottom=rect.top+tm.tmHeight;
    dc.SetTextColor(RGB(255,0,0));
	CString str;
    str="欢迎你进入客户端!";
    dc.DrawText(str,rect,DT_LEFT);
	CSize sz=dc.GetTextExtent(str);
	if(m_nWidth>sz.cx)
	{
		m_nWidth=0;
		dc.SetTextColor(RGB(0,255,0));
        dc.TextOut(150,200,str);
	}
   dc.SelectObject(pOldFont);
	CView::OnTimer(nIDEvent);
}

void CClientView::OnCancelMode() 
{
	CView::OnCancelMode();
	
	
}