yclientwnd.cpp

操作系统是Windows 98

// YClientWnd.cpp : implementation file
//

#include "stdafx.h"
#include "VCStyle.h"
#include "YClientWnd.h"

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

/////////////////////////////////////////////////////////////////////////////
// YClientWnd

YClientWnd::YClientWnd()
{
}

YClientWnd::~YClientWnd()
{
}


BEGIN_MESSAGE_MAP(YClientWnd, CWnd)
	//{{AFX_MSG_MAP(YClientWnd)
	ON_WM_ERASEBKGND()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// YClientWnd message handlers

BOOL YClientWnd::OnEraseBkgnd(CDC* pDC) 
{
/*
	// 设置画刷为希望的背景色
	CBrush backBrush;
	backBrush.Create(RGB(255, 128, 128));

	// 保存旧画刷
	CBrush* pOldBrush = pDC->SelectObject(&backBrush);

	CRect rect;
	pDC->GetClipBox(&rect); 
	// 擦除需要的区域

	// 用创建的画刷绘制背景区域
	pDC->PatBlt(rect.left, rect.top, rect.Width(), rect.Height(),
		PATCOPY);
	pDC->SelectObject(pOldBrush);
	return TRUE;
*/	
// Create a hatched bit pattern.
WORD HatchBits[8] = { 0x11, 0x22, 0x44, 0x88, 0x11,
    0x22, 0x44, 0x88 };

// Use the bit pattern to create a bitmap.
CBitmap bm;
//bm.CreateBitmap(8,8,1,1, HatchBits);
bm.LoadBitmap(IDB_BITMAPBK); 

// Create a pattern brush from the bitmap.
CBrush backBrush;
backBrush.CreatePatternBrush(&bm);
	// 保存旧画刷
	CBrush* pOldBrush = pDC->SelectObject(&backBrush);

	CRect rect;
	pDC->GetClipBox(&rect); 
	// 擦除需要的区域

	// 用创建的画刷绘制背景区域
	pDC->PatBlt(rect.left, rect.top, rect.Width(), rect.Height(),
		PATCOPY);
	pDC->SelectObject(pOldBrush);
 return TRUE;

//	return CWnd::OnEraseBkgnd(pDC);
}