🚀 go-pugleaf

Bob, Thanks for the info - it was very helpful,
although I was wondering in your example, what
is 'hBmp' that is passed into GetObject(), and how is it obtained?
Many Thanks,
CurtC
"Bob Gonder" <notbg@notmindspring.invalid> wrote in message
news:bch9lv8jirl1qvkac2q02edgpdm0fpdphq@4ax.com...
> CC wrote:
>
> >I thinkI have come across api's in the past that would allow you to get a
> >bitmap of a window on the screen (probably given a window handle, etc).
> >
> >Does anyone know of the api(s) to do such a thing?
>
> You need the DC, no?
> (Client area only, no title or menu bar)
> HDC  hwDC = GetDC( hWnd );
> (Complete window, title, menu,status,etc)
> HDC  hwDC = GetWindowDC( hWnd );
>
> I think you'd then need to create an empty bitmap of the proper  size.
> Then you need a DC for your BITMAP.
> hdcBmp = CreateCompatibleDC( hwDC );
> GetObject( hBmp, sizeof(BITMAP), &bm);
> hbmpSaved = SelectObject(hdcBmp, hBmp );
> Then you BitBlt  the screen to the bitmap and save/use it.
> Then
> SelectObject( hdcBmp, hbmpSaved );
> DeleteDC( hdcBmp );
>   ReleaseDC( hWnd, hwDC );
>
> Look in the help under "Bitmap Functions"
>
>
>