想把采集卡采集到的数据作为图像像素的灰度值来生成8位Bmp图像显示出来，数据得到了，可就是显示不出来，估计是信息头或者调色板的问题，哪位好心人帮忙看一下 小弟不胜感激

        CDC *pDC=GetDlgItem(IDC_PICVIEW)->GetDC();               

        DWORD dwNumofPixel;

        LOGPALETTE* pLogPal;

        RGBQUAD* m_pRGBQUAD;

        dwNumofPixel=ImageWidth*ImageHeight;

        ASSERT(pDC);

        m_pRGBQUAD = new RGBQUAD[256];

        m_pGreyBMI = NULL;

        m_pGreyBMI = (BITMAPINFO*)(new BYTE[sizeof(BITMAPINFOHEADER)+256*4]);

        m_pGreyBMI->bmiHeader.biSize = sizeof(BITMAPINFOHEADER)+256*4;

        m_pGreyBMI->bmiHeader.biBitCount = 8;

        m_pGreyBMI->bmiHeader.biClrUsed = 256;

//设置调色板

        RGBQUAD greyScale[256];

        for(int i=0; i<256; i++)

        {

                greyScale.rgbRed = i;

                greyScale.rgbGreen = i;

                greyScale.rgbBlue = i;

                greyScale.rgbReserved = 0;

        }

                memcpy(m_pGreyBMI->bmiColors, greyScale, sizeof(RGBQUAD)*256);

        pLogPal = NULL;

        pLogPal = (LOGPALETTE*)(new BYTE[sizeof(LOGPALETTE)+256*sizeof(PALETTEENTRY)]);

        pLogPal->palNumEntries = 256;

        pLogPal->palVersion = 0x300;

        for(i=0; i<256; i++)

        {

                pLogPal->palPalEntry.peRed = i;

                pLogPal->palPalEntry.peGreen = i;

                pLogPal->palPalEntry.peBlue = i;

                pLogPal->palPalEntry.peFlags = 0;

        }

m_pGreyBMI->bmiHeader.biWidth        = ImageWidth;

m_pGreyBMI->bmiHeader.biHeight        =ImageHeight;

m_pGreyBMI->bmiHeader.biBitCount= 8;

m_pGreyBMI->bmiHeader.biPlanes= 1;

m_pGreyBMI->bmiHeader.biCompression= BI_RGB;

m_pGreyBMI->bmiHeader.biSizeImage= dwNumofPixel;

m_pGreyBMI->bmiHeader.biXPelsPerMeter        = 0;

m_pGreyBMI->bmiHeader.biYPelsPerMeter        = 0;

m_pGreyBMI->bmiHeader.biClrUsed= 256;

m_pGreyBMI->bmiHeader.biClrImportant        = 0;

CDC* pDC=GetDlgItem(IDC_PICVIEW)->GetDC();

CPalette* pPal = new CPalette;

pPal->CreatePalette(pLogPal);

                        CPalette* pOldPal = pDC->SelectPalette(pPal, TRUE);

                        pDC->RealizePalette();

                        StretchDIBits(pDC->GetSafeHdc(),

                        0,

                         0,

                        ImageWidth,       

                         ImageHeight,

                        0,                                    

                        0,     

                         ImageWidth,

                        ImageHeight,

                        pData,

                        m_pGreyBMI,

                        DIB_RGB_COLORS,

                        SRCCOPY);

                        pDC->SelectPalette(pOldPal, TRUE);

                        delete pPal;

                        ReleaseDC(pDC);