关于截取屏幕后怎么存取的问题，请高手帮帮我！

Question

GetBitmapBits()www.programsalon.com - 几千源码等待您去下载

Answer 1

显示时使用SetBitmapBits还原hBitmap

Answer 2

hello008兄能不能讲详细一点！帮帮忙！谢谢了！

Answer 3

截取屏幕加存盘
int WriteWindowtoDib(LPTSTR szFName, HWND hWnd)
{  HDC      hDC,  hMemDC;
  HANDLE  hBits, hFile;
  HBITMAP  hBitmap, hTmpBmp;
  HPALETTE hPal;
  LPVOID  lpBits;
  RGBQUAD  RGBQuad;
  DWORD    ImgSize, plSize, dwWritten;
  int      i, CRes, Height, Width;
  BITMAPFILEHEADER bmFH;
  LPBITMAPINFO    pBmInfo, pBmInfoMem;
  LPLOGPALETTE    lp;  if((hFile = CreateFile(szFName, GENERIC_WRITE,0,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL)) == NULL)
    return 1;  SetCursor(LoadCursor(NULL, IDC_WAIT));
  if(hWnd==HWND_DESKTOP)
    {
      Width  = GetSystemMetrics(SM_CXSCREEN);
      Height = GetSystemMetrics(SM_CYSCREEN);
    }
  else
    {
      RECT rc;
      ::GetClientRect(hWnd,&rc);
      Width  = rc.right-rc.left;
      Height = rc.bottom-rc.top;
    }  hDC    = ::GetDC(hWnd);
  hMemDC = CreateCompatibleDC(hDC);
  hBitmap= CreateCompatibleBitmap(hDC, Width, Height);
  hTmpBmp= CreateCompatibleBitmap(hDC, 8, 8);
  pBmInfoMem = (LPBITMAPINFO)GlobalAlloc(GHND, sizeof(BITMAPINFO)+256*sizeof(RGBQUAD));
  pBmInfo = (LPBITMAPINFO)GlobalLock(pBmInfoMem);
  SelectObject(hMemDC, hBitmap);
  BitBlt(hMemDC,0,0,Width,Height,hDC,0,0,SRCCOPY);
  SelectObject(hMemDC, hTmpBmp);  ZeroMemory(pBmInfo, sizeof(BITMAPINFO));
  pBmInfo->bmiHeader.biSize = (DWORD)sizeof(BITMAPINFOHEADER);
  pBmInfo->bmiHeader.biWidth      = Width;
  pBmInfo->bmiHeader.biHeight      = Height;
  pBmInfo->bmiHeader.biPlanes      = 1;
  pBmInfo->bmiHeader.biBitCount    = (WORD)GetDeviceCaps(hDC, BITSPIXEL);
  pBmInfo->bmiHeader.biCompression = BI_RGB;
  GetDIBits(hDC, hBitmap, 0,Height, NULL, pBmInfo, DIB_RGB_COLORS);
  if(!pBmInfo->bmiHeader.biSizeImage)
    pBmInfo->bmiHeader.biSizeImage = ((((pBmInfo->bmiHeader.biWidth * pBmInfo->bmiHeader.biBitCount) + 31) & ~31) / 8)
                                        * pBmInfo->bmiHeader.biHeight;
  CRes  = GetDeviceCaps(hDC, SIZEPALETTE);
  plSize = CRes*sizeof(RGBQUAD);
  ImgSize= pBmInfo->bmiHeader.biSizeImage;  bmFH.bfType      = 0x4d42; //"BM"
  bmFH.bfOffBits  = plSize + sizeof(BITMAPINFOHEADER) + sizeof(BITMAPFILEHEADER);
  bmFH.bfSize      = ImgSize + bmFH.bfOffBits;
  bmFH.bfReserved1 = 0;
  bmFH.bfReserved2 = 0;  WriteFile(hFile, &bmFH, sizeof(BITMAPFILEHEADER), &dwWritten, NULL);
  WriteFile(hFile, &(pBmInfo->bmiHeader), sizeof(BITMAPINFOHEADER), &dwWritten, NULL);  if(CRes)
    {
      hPal=(HPALETTE)GlobalAlloc(GHND, sizeof(LOGPALETTE) + (CRes*sizeof(PALETTEENTRY)));
      lp=(LPLOGPALETTE)GlobalLock(hPal);
      lp->palNumEntries=(WORD)CRes;
      lp->palVersion=0x0300;
      GetSystemPaletteEntries(hDC, 0, CRes, lp->palPalEntry);
      RGBQuad.rgbReserved=0;
      for(i=0; i<CRes; i++)
      {
        RGBQuad.rgbRed  = lp->palPalEntry[i].peRed;
        RGBQuad.rgbGreen = lp->palPalEntry[i].peGreen;
        RGBQuad.rgbBlue  = lp->palPalEntry[i].peBlue;
        WriteFile(hFile, &RGBQuad, sizeof(RGBQUAD), &dwWritten, NULL);
      }
      GlobalUnlock(hPal);
      GlobalFree(hPal);
    }  hBits = GlobalAlloc(GHND, pBmInfo->bmiHeader.biSizeImage);
    lpBits = (LPVOID)GlobalLock(hBits);
      GetDIBits(hDC, hBitmap, 0,Height, lpBits, pBmInfo, DIB_RGB_COLORS);
      WriteFile(hFile,lpBits,ImgSize,&dwWritten,NULL);
    GlobalUnlock(hBits);
  GlobalFree(hBits);  GlobalUnlock(pBmInfo);
  GlobalFree(pBmInfoMem);
  DeleteObject(hTmpBmp);
  DeleteObject(hBitmap);
  DeleteDC(hMemDC);
  ::ReleaseDC(hWnd,hDC);
  CloseHandle(hFile);
  SetCursor(LoadCursor(NULL,IDC_ARROW));  return 0;
}