{

m_dwBufLenLzw = 0;

m_pDataLzw = NULL;

m_dwBufBitmaplen = 0;

m_pDataBitmap = NULL;

{

dwLen += 100;

if(dwLen <= m_dwBufBitmaplen)

return true;

if(m_pDataBitmap)

delete m_pDataBitmap;

m_pDataBitmap = new BYTE[dwLen];

if(m_pDataBitmap)

{

m_dwBufBitmaplen = dwLen;

return true;

}

m_dwBufBitmaplen = 0;

return false;

{

dwLen += 100;

if(dwLen <= m_dwBufLenLzw)

return true;

if(m_pDataLzw)

delete m_pDataLzw;

m_pDataLzw = new BYTE[dwLen];

if(m_pDataLzw)

{

m_dwBufLenLzw = dwLen;

return true;

}

m_dwBufLenLzw = 0;

return false;

{

int nRet;

tagVipShellCmd cmd;

cmd.dwCmd = CMD_GETSCREEN;

cmd.dw1 = dwBitCount;

nRet = m_hServer.Send(&cmd, sizeof(tagVipShellCmd));

if(nRet == SOCKET_ERROR)

return NULL;

nRet = m_hServer.Recv(&cmd, sizeof(tagVipShellCmd));

if(nRet == SOCKET_ERROR || cmd.dwCmd != CMD_ISOK)

{

m_hServer.Close();

return NULL;

}

cmd.dwCmd = CMD_ISOK;

nRet = m_hServer.Send(&cmd, sizeof(tagVipShellCmd));

if(nRet == SOCKET_ERROR)

return NULL;

__NewBufLzw(cmd.dw1);

__NewBufBitmap(cmd.dw2);

nRet = _RecvBuffData(m_pDataLzw, cmd.dw1);

if(nRet == SOCKET_ERROR)

return NULL;

// 解压缩

FCLzw lzw;

memset(m_pDataBitmap, 0, m_dwBufBitmaplen );

memset(m_lzw_STR, 0, sizeof(m_lzw_STR));

lzw.SetStrBegin((LZW_STRING *)m_lzw_STR);

lzw.LZW_Decode(m_pDataLzw, m_pDataBitmap);

return __GetDataToBitmap(m_pDataBitmap);

{

BITMAPFILEHEADER* pbmfh ; // DIB位图文件头

HBITMAP hBitmap ;

pbmfh = (BITMAPFILEHEADER *)pDate;

if (pbmfh->bfType != * (WORD *) "BM")

return NULL ;

HDC hdc = CreateDC(_T("DISPLAY"), NULL, NULL, NULL);

// 创建DDB位图

hBitmap = CreateDIBitmap (hdc,

(BITMAPINFOHEADER *) (pbmfh + 1),

CBM_INIT,

(BYTE *) pbmfh + pbmfh->bfOffBits,

(BITMAPINFO *) (pbmfh + 1),

DIB_RGB_COLORS) ;

DeleteDC(hdc);

return hBitmap ;