🚀 go-pugleaf

thank you for your answer !
BUT, if you are in the right direction, it is not the right way, because my
confusion between memDC and memDC.m_hDC
apparently is not the source of the error.
It does not work with memDC.m_hDC !
the compilation does well but the error is still here while the process. I
can't get the color table of my DIB.
error is still 6
", invalid handle."
I have verify that this handle is the same I utilize during the serialyse
process.
So, where is the error ?

here is the code for the part of the serialyze routine: (in my Doc class)
///////////////
      HDC hscreenDC;
      hscreenDC=GetWindowDC(NULL);

      m_BitmapH=(HBITMAP)
CreateDIBitmap(hscreenDC,m_InfoHeader,CBM_INIT,(LPVOID
*)m_Bits,m_Info,DIB_RGB_COLORS);
      if (m_BitmapH == NULL) AfxThrowArchiveException
(CArchiveException::badIndex);

      m_BitmapC.Attach(m_BitmapH);
      ReleaseDC(NULL,hscreenDC);
///////////////

thank you another time for your help
this problem is getting me to head.

dond



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Jonathan Caryl a �crit dans le message <360A5C37.F0AB7789@owl.co.uk>...
>
>
>dond wrote:
>
>> hol� !
>> I have some problems with the two DIB's functions GetDIBColorTable and
>> SetDIBColorTable.
>> How can I use this two functions ?
>> Where is my error ?
>> Here is some lines of my code:
>>
>> /////////////////
>>      CBitmap *pBitmap=pDoc->GetBitmap();
>>      CDC memDC;
>>      memDC.CreateCompatibleDC(pDC);
>>
>
><snip>
>
>>       UINT C=::SetDIBColorTable(memDC,0,256,pRGB);
>> <snip>
>
>
>
>> this comes from my OnDraw(CDC *pDC) function of my View Class;
>>
>> The ERROR is return as 6, that is to say "6  The handle is invalid.
>> ERROR_INVALID_HANDLE "
>>
>> When I use GetDIBColorTable this is the same errors.
>>
>> Can someone help me to use this two functions !
>
>If you look at the docs for SetDIBColorTable you'll see it needs a HDC, but
>you're passing it a CDC. Which won't do. You should be able to use the HDC
of
>the CDC -- i.e. memDC.m_hDC.
>
>Jonathan
>