首先的窗口输出一些内容;

MFC保存窗口客户区为图片-LMLPHP

菜单单击函数代码;

void CgetmypicView::OnTestGetmypic()
{
	// TODO: 在此添加命令处理程序代码
	HWND hwnd = this->GetSafeHwnd();
	HDC hDC = ::GetWindowDC(hwnd);//获取DC       

	RECT rect;
	::GetClientRect(hwnd, &rect);//获取客户区大小  
	HDC hDCMem = ::CreateCompatibleDC(hDC);//创建兼容DC  

	HBITMAP hBitMap = ::CreateCompatibleBitmap(hDC, rect.right, rect.bottom);//创建兼容位图  
	HBITMAP hOldMap = (HBITMAP)::SelectObject(hDCMem, hBitMap);//将位图选入DC。并保存返回值  

	::BitBlt(hDCMem, 0, 0, rect.right, rect.bottom, hDC, 0, 0, SRCCOPY);//将图象拷贝到内存DC中  

	CImage image;
	image.Attach(hBitMap);
	image.Save(_T("e://myshige.jpg"));//假设文件后缀为.bmp,则保存为为bmp格式  
	image.Detach();

	::SelectObject(hDCMem, hOldMap);//选入上次的返回值  

									//释放  
	::DeleteObject(hBitMap);
	::DeleteDC(hDCMem);
	::DeleteDC(hDC);
}

单击菜单之后在磁盘生成图片文件,打开如下;

MFC保存窗口客户区为图片-LMLPHP 

11-17 07:25