<strong>	//获取桌面窗体的CDC

	CDC *pdeskdc = GetDesktopWindow()->GetDC();

	CRect re;

	//获取窗体的大小

	GetDesktopWindow()->GetClientRect(&re);

	CBitmap bmp;

	bmp.CreateCompatibleBitmap(pdeskdc , re.Width() , re.Height());

	//创建一个兼容的内存画板

	CDC memorydc;

	memorydc.CreateCompatibleDC(pdeskdc);

	//选中画笔

	CBitmap *pold = memorydc.SelectObject(&bmp);

	//绘制图像

	memorydc.BitBlt(0,0,re.Width() ,re.Height(), pdeskdc , 0 ,0 ,SRCCOPY) ;

	//获取鼠标位置，然后加入鼠标图像

	CPoint po;

	GetCursorPos(&po);

	HICON hinco = (HICON)GetCursor();

	memorydc.DrawIcon(po.x-10 , po.y - 10 , hinco);

	//选中原来的画笔

	memorydc.SelectObject(pold);

	BITMAP bit;

	bmp.GetBitmap(&bit);

//	DWORD size = bit.bmWidth * bit.bmHeight ;

	//定义 图像大小（单位：byte）

	DWORD size = bit.bmWidthBytes * bit.bmHeight ;

	LPSTR lpdata = (LPSTR)GlobalAlloc(GPTR , size) ;

	//后面是创建一个bmp文件的必须文件头，想要了解能够參考msdn

	BITMAPINFOHEADER pbitinfo;

	pbitinfo.biBitCount = 24 ;

	pbitinfo.biClrImportant = 0;

	pbitinfo.biCompression = BI_RGB ;

	pbitinfo.biHeight = bit.bmHeight ;

	pbitinfo.biPlanes = 1 ;

	pbitinfo.biSize = sizeof(BITMAPINFOHEADER);

	pbitinfo.biSizeImage =size;

	pbitinfo.biWidth = bit.bmWidth;

	pbitinfo.biXPelsPerMeter = 0;

	pbitinfo.biYPelsPerMeter = 0 ;

	GetDIBits(pdeskdc->m_hDC , bmp , 0 , pbitinfo.biHeight , lpdata ,

		(BITMAPINFO*)&pbitinfo,DIB_RGB_COLORS);

	BITMAPFILEHEADER bfh;

	bfh.bfReserved1 = bfh.bfReserved2 = 0 ;

	bfh.bfType = ((WORD)('M'<< 8)|'B');

	bfh.bfSize = 54 + size ;

	bfh.bfOffBits = 54 ;

	//写入文件

	CFile file;

	if ( file.Open("1.bmp" , CFile::modeCreate|CFile::modeWrite) )

	{

		file.WriteHuge( &bfh , sizeof(BITMAPFILEHEADER) );

		file.WriteHuge(&pbitinfo , sizeof(BITMAPINFOHEADER));

		file.WriteHuge(lpdata , size);

		file.Close();

	}

	GlobalFree(lpdata);</strong>