🚀 go-pugleaf

"Blake Young" <blakeyoung@mail.utexas.edu.NOSPAM> wrote in message
news:40f706e3$1@newsgroups.borland.com...

> I couldn't find an API command in the Platform SDK
> (probably wasn't looking hard enough) to perform
> a screen capture

That is because there is no such function.  You have to capture the screen
manually, for example:

    void __fastcall ScreenCapture(Graphics::TBitmap *Bitmap)
    {
        HDC hScreenDC = GetDC(0);
        Bitmap->Handle = CreateCompatibleBitmap(hScreenDC, Screen->Width,
Screen->Height);

        if( GetDeviceCaps(hScreenDC, RASTERCAPS) & RC_PALETTE )
        {
            int palette_size = GetDeviceCaps(hScreenDC, SIZEPALETTE);
            if( palette_size > 0 )
            {
                const size_t size = sizeof(LOGPALETTE) +
(sizeof(PALETTEENTRY) * palette_size);
                unsigned char* pBuffer = new unsigned char[size];

                LPLOGPALETTE lplogpal =
reinterpret_cast<LPLOGPALETTE>(pBuffer);
                lplogpal->palVersion = 0x300;
                lplogpal->palNumEntries = palette_size;
                GetSystemPaletteEntries(hScreenDC, 0, palette_size,
lplogpal->palPalEntry);

                Bitmap->Palette = CreatePalette(lplogpal);
                delete [] pBuffer;
            }
        }

        BitBlt(Bitmap->Canvas->Handle, 0, 0, Bitmap->Width, Bitmap->Height,
hScreenDC, 0, 0, SRCCOPY);
        ReleaseDC(0, hScreenDC);
    }


Gambit