各位打下指教：关于画图闪烁的问题，先谢了

[gfsdlut]

而切ondraw()怎么不好用了？？？？？？？？？？

// ShowView.cpp : implementation of the CShowView class
//

#include "stdafx.h"
#include "Control.h"

#include "ControlDoc.h"
#include "ShowView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CShowView
//-----------------------------------------------------
UINT pt[100]={ 0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0};
//-----------------------------------------------------

IMPLEMENT_DYNCREATE(CShowView, CView)

BEGIN_MESSAGE_MAP(CShowView, CView)
//{{AFX_MSG_MAP(CShowView)
ON_WM_CREATE()
ON_WM_PAINT()
ON_WM_TIMER()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CShowView construction/destruction

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

}

CShowView::~CShowView()
{
}

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

return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CShowView drawing

void CShowView::OnDraw(CDC* pDC)
{
CControlDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
pDC->TextOut(0,0,"托尔斯泰");

}

/////////////////////////////////////////////////////////////////////////////
// CShowView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CShowView message handlers

void CShowView::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo)
{
// TODO: Add your specialized code here and/or call the base class
CView::OnPrepareDC(pDC, pInfo);
}

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

// TODO: Add your specialized creation code here
//------------------------
SetTimer(1,100,NULL);
//------------------------

return 0;
}

void CShowView::OnPaint()
{
CPaintDC dc(this); // device context for painting

// TODO: Add your message handler code here
//------------------------
dc.MoveTo(20,pt[0]+20);
for(int i=1;i<100;i++)
{
dc.LineTo(20+5*i,pt[i]+20);
}
//------------------------
// Do not call CView::OnPaint() for painting messages
}

void CShowView::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
//------------------------

for (int i=99;i>=1;i--)
{
pt[i]=pt[i-1];
}
pt[0]=UINT(rand()%300);
Invalidate(TRUE);
//------------------------
CView::OnTimer(nIDEvent);
}