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ShadowWnd.cpp：源码内容
							// ShadowWnd.cpp : implementation file
//
#include "stdafx.h"
#include "ShadowWnd.h"
//#include "anywhere.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CShadowWnd
static int aPattern[]={0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55};
#define SPOPUP_SHADOWWIDTH 10
#define SPOPUP_SHADOWHEIGHT 13
#define MAXWIDTH 400
CShadowWnd::CShadowWnd()
{
	CBitmap bmp;
	bmp.CreateBitmap(8,8,1,1,(void*)aPattern);
	m_bmpBrush.CreatePatternBrush(&bmp);
}
CShadowWnd::~CShadowWnd()
{
}
BEGIN_MESSAGE_MAP(CShadowWnd, CWnd)
	//{{AFX_MSG_MAP(CShadowWnd)
	ON_WM_NCPAINT()
	ON_WM_PAINT()
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CShadowWnd message handlers
void CShadowWnd::OnNcPaint() 
{
  CWindowDC dc(this);
  CRect rc;
  GetWindowRect(&rc);
  rc.right-=rc.left;
  rc.bottom-=rc.top;
  rc.top=0;
  rc.left=0;
  m_bmpBrush.UnrealizeObject();
  CBrush* OldBrush=dc.SelectObject(&m_bmpBrush);
  dc.PatBlt(rc.left+SPOPUP_SHADOWWIDTH,rc.bottom-SPOPUP_SHADOWHEIGHT,rc.right-SPOPUP_SHADOWWIDTH,SPOPUP_SHADOWHEIGHT,PATCOPY);
  dc.PatBlt(rc.right-SPOPUP_SHADOWWIDTH,rc.top+SPOPUP_SHADOWHEIGHT,SPOPUP_SHADOWWIDTH,rc.bottom,PATCOPY);
  dc.SelectObject(OldBrush);
  CBrush *pBrush=CBrush::FromHandle(GetSysColorBrush(COLOR_WINDOWFRAME));
  rc.right-=SPOPUP_SHADOWWIDTH;
  rc.bottom-=SPOPUP_SHADOWHEIGHT;
  dc.FrameRect(rc,pBrush);
	// Do not call CWnd::OnNcPaint() for painting messages
}
void CShadowWnd::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
   CRect rect;
   GetClientRect(&rect);
   rect.left+=5;
   rect.top+=5;
   rect.right-=SPOPUP_SHADOWWIDTH;
   rect.bottom-=SPOPUP_SHADOWHEIGHT;
   dc.SetTextColor(RGB(0,0,255));
   dc.DrawText(m_sShowText,rect,DT_WORDBREAK|DT_NOPREFIX);
	
	// Do not call CWnd::OnPaint() for painting messages
}
BOOL CShadowWnd::Create(const RECT &rect, CWnd *pParentWnd)
{
	const char *pClassName=AfxRegisterWndClass(CS_HREDRAW|CS_VREDRAW);
  
  return CWnd::CreateEx(WS_EX_STATICEDGE,pClassName,"Shadow window",WS_POPUP,rect.left,rect.top,rect.right,rect.bottom,pParentWnd->GetSafeHwnd(),0,NULL);
}
void CShadowWnd::ShowReadOnlyText(CString sText)
{
	m_sShowText=sText;
	CDC dc;
	dc.CreateDC("DISPLAY",NULL,NULL,NULL);
	dc.SelectObject(GetStockObject(SYSTEM_FONT));
	CRect rect(0,0,MAXWIDTH,0);
	dc.DrawText(sText,rect,DT_WORDBREAK|DT_CENTER|DT_CALCRECT|DT_NOPREFIX);
	rect.right+=3*SPOPUP_SHADOWWIDTH;
	rect.bottom+=3*SPOPUP_SHADOWHEIGHT;
	this->Create(rect,0);
	this->ShowWindow(SW_SHOW);
	this->UpdateWindow();
	MSG Msg;
	BOOL bDone;
	SetCapture();
	bDone=FALSE;
	while(!bDone)
	{
		if(PeekMessage(&Msg,NULL,0,0,PM_REMOVE))
			if(Msg.message==WM_KEYDOWN||Msg.message==WM_SYSKEYDOWN||Msg.message==WM_LBUTTONDOWN||Msg.message==WM_RBUTTONDOWN)
				bDone=TRUE;
			else
			{
				TranslateMessage(&Msg);
				DispatchMessage(&Msg);
			}
	}
	ReleaseCapture();
	DestroyWindow();
}
int CShadowWnd::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
   CenterWindow();	
	return 0;
}

						