bpp bitmap images are not dispalyed in Windows 8, why

Hi,

I have develope a dialog box, where I used the bitmap images and modified the dialog box in sucha a way that user can use that bitmap image to minimize the dialog or maxixe the dialog. but it works good in all environments expect in windows 8 environment. Any suggestions or solutions we be great.

Implementation details.

drawn the image in noc client area i.e., onNCPaint().

Thanks
Naga